Book & Magazine Publishing

SHIN CHENG TECHNOLOGY LTD

TWO MODE CONNECTION:Bluetooth and wired two modesENC/ANC FunctionBluetooth version : 5.3Operating Range : 10MSpeaker : ø40mm 32ΩTaking Time : 28 HRSStandby Time : 168HRSCharging Time : 120MINBattery : LITHIUM-ION Battery3.7V/600mAhOur product have two new functions:A. Unairing mode: Unpair the Bluetooth headset by simply press a button three times in a row, then you can pair to a new smart device B. Mic on/off: The function allowing you to mute/unmute microphone anytime and it’s also workable with communication software. 

2-in-1 Wireless & Wired Bluetooth Headset with ANC&ENC

Ether Electronics Co Ltd

Attach this Bluetooth headset to any helmets to enjoy hands free communication. It can establish an audio communication up to approximately 10m distance and can link to two devices at the same time. &nbsp;This Bluetooth helmet headset can be fully operated with only one button and is easy to pair with mobile phones, GPS navigators and other Bluetooth devices. 	 Compatible with all audio devices. 	 Transmitter Bluetooth devices in HSP, HPF and A2DP profiles, such as mobile phone, GPS navigator etc. 	 Can be associated with any Bluetooth audio receiver devices, establishing an audio communication (intercom) up to distance of appx. 10m. 	 Can be fully operated with only one control button. 	 Voice answering function, totally hands free. 	 Dual link to 2 devices. 	 Intercom and mobile connected same time. 	 Easy to set up and use. 	 Provide loud and clear sound quality. 	 Easy to attach to helmets.  

Bluetooth Helmet Headset A3

SHENZHEN MEIDONG ACOUSTICS CO LTD

Enjoy convenient hands-free communication with this pair of mini stereo wireless earbuds. It can be easy paired with Bluetooth devices and is suitable for calling use. The wireless earbud delivers superior audio performance and comes with a round case for storage and charging. 	 Bluetooth: 5.0. 	 Single earphone battery: 70mAh. 	 Charging case capacity: 700mAh. 	 Playing time: 6h. 	 Charging time:1 h. 	 Charging case:1 h. 	 Function: play/pause, volume up/down, previous/next song, calling. 	 Provide convenient hands-free communication. 	 Can be easy paired with Bluetooth devices. 	 Superior audio performance. 	 With a round case for storage and charging.  

OEM Mini Stereo Wireless Earbud

Foshan Shunde Guanyuda Power Supply Co Ltd

This desktop switching power adapter comes with a maximum output wattage of 90W. This handy adapter is compatible with most kinds of devices like digital cameras and communication terminals. With interchangeable plug, this power adapter is a perfect travel companion with you. 	 100% full load burn-in tested. 	 With various kind of certificates and three-year warranty. 	 For most portable devices or machines such as digital camera, CD-ROM, HUB, ADSL, AP, communication terminals, tester machine. 	 Input Voltage: AC 100-240V, 50/60Hz, interchangeable plug US/EU/AS/UK (input C8 / C6 / C14). 	 Output Power: 90W. 	 Output Voltage: 19V 4.87A. 	 Storage Temperature: -20 to 85&deg;C. 	 Withstanding Voltage: AC 3000V (min.), 5mA (max.). 	 Safety: UL, CUL, PSE, GS, BS, CE, CB, FCC, SAA, CCC, BSMI, C-Tick.  

Switching Power Adapter for Laptop

Shenzhen Kep Technology Co., Limited

This tablet PC features a wide screen for displaying brilliant images. It is professionally engineered to deliver stable and reliable performance. This advanced tablet PC is a user-friendly device for work, leisure and communication.
 
  Touch screen. 
  Memory: 1GB. 
  Support Wi-Fi. 
 

Tablet PC

Shijiazhuang Suin Instruments Co.,Ltd.

Features Perfect combination of DDS and PLL techniquesFrequency upper limits to 1.5GHzHigher level of frequency accuracy,up to 1ppmComplete AM/FM/FSK/PSK modulation functionStandard communication interface: USB Device, RS-232Specifications CHATFG3605            TFG3615          TFG3610             FrequencyRangeSine1μHz ~ 500MHz     1μHz ~ 1500MHz   1μHz ~ 1000MHz           Square1μHz ~ 80MHzResolution1μHz (carrier frequency≤80MHz)1Hz  (carrier frequency&gt;80MHz)Accuracy±1ppm, Frequency≥1.0kHz, 18℃ to 28℃±50ppm, Frequency＜1.0kHz, Min. output 1μHzSine Output LevelRangeFreq≤500MHz-127dBm ~ +13dBm(-127dBm ~ -117dBm typical)Freq≤1000MHz-110dBm ~ +13dBm(-100dBm ~ -110dBm typical)Freq≤1500MHz-105Bm ~ +10dBm(-100dBm ~ -105dBm typical)Resolution0.1dBAccuracyFreq≤300MHzsetting ±1dBm (output level +13dBm~-100dBm)Freq≤1500MHzsetting ±2.2dBm (output level +13dBm~-80dBm, setting value±1.5dBm typ. )setting ±2.7dBm (output level -80dBm~-100dBm, setting value±2.0dBm typ.)Stationary Wave Ratio (SWR)&lt; 1.8 (output level≤0dBm)Spectrum PurityHarmonic&lt;-33dBc (output level≤4dBm,typical value)Non-Harmonic&lt;-40dBc (output level≤4dBm, deviation CF≥5kHz）Sub-Harmonic&lt;-40dBc (output level≤4dBm）Residual FM&lt;100Hz（BW: 0.3 ~ 3kHz, RMS&lt; 120MHz）SquareRise/Fall Time≤15nsOvershoot≤5%ModulationTypeAM,FM, FSK, PSKExternal Modulation InputVoltage Range: 5V full scale,Input Impedance: 10kΩ, Frequency: DC to 10kHz Frequency SweepSweep Rate1ms ~ 800s Linear (carrier ≤80MHz)100ms ~ 800s Logrithm(carrier ≤80MHz)Step Time50ms ~ 10s Linear (carrier&gt;80MHz)Burst(Carrier Frequency≤80MHz)Burst Count1 to 10000 cyclesInterval0.1ms to 800sCHBFrequencyRange1μHz ~ 10MHzResolution1μHzAccuracy±1ppm, Frequency≥1.0kHz,18℃ to 28℃±50ppm, Frequency＜1.0kHz, Min. output 1μHzWaveformTypeSine, Square, Ramp, Pulse, Sinc, Exp, Noise, DCSquareRise/Fall Time≤50nsDuty Cycle0.01% ~ 99.99%PulseRise/Fall Time≤50nsPulse Width20ns ~ 20sRampSymmetry0.0% ~ 100.0%OutputAmplitude1mVpp to 10Vpp(50Ω), 2mVpp to 20Vpp(High Z)Offset±5Vpk ac+dc(50Ω), ±10Vpk ac+dc(High Z)Resolution5mVppAccuracy±(1% of setting + 10mVpp)(1kHz Sine)Flatness± 0.5dB(1MHz Sine, 1Vpp)General CharacteristicsPowerAC100V~240V, 50/60Hz,50VA MaxDimension &amp; Weight254×103×374 mm, 4.2 kg 

  TFG3615   Series rf Signal Generator

AC Electronic Ltd

-Support HD Voice -Support NFC (near-field communication) technology to pair device -Support Auto Pairing, Up to 8, connected to two at the same time -Talk Time: Up to 8 hours -Standby Time: Up to 12 days -Charging Time: Approximately 2 hours 

Jabra Move (Wireless) Bluetooth Headset (Gold)

Monitor your front door with the Hello Video Doorbell from Nest. Access video on your iOS or Android mobile device from anywhere with an internet connection and Wi-Fi via the free Nest app. When attached to your existing hardwired doorbell, this dual-band Wi-Fi device captures 1600 x 1200 resolution video at up to 30 fps. It features night vision functionality and a 160° diagonal field of view. Additionally, the 4:3 aspect ratio enables you to see people at your front door from head to toe. Two-way audio communication allows you to interact with visitors, while noise and echo cancellation ensure that communication is clear. H.264 video compression manages file sizes while maintaining quality. This video doorbell is IPX4-rated for water resistance. 

Google Nest Hello Smart WiFi Video Doorbell (NC5100)

Taisons International Co

USB Type C Earphones with Microphone/Volumn Control With volume UP/DOWN, PAUSE/PLAY, songs select controlVoice input and phone communication supportCompatible with most USB-C devicesHigh quality earphone unitsDifferent kinds earphone units and various colors for optionAny style can be customized

USB C Earphones with Microphone/Volume Control

Avantec Mfg Ltd

 	 Touch Screen Thermostat with RS485 Modbus Communication 	 Specifications : 	 Built-in RS-485 channel Modbus RTU 	 Standard Modbus RTU slave device 	 Can be connected to any supervisory software / system that supports Modbus RTU master device 	 The Modbus communication protocol of TS350 is based on the MODBUS APPLICATION PROTOCOL SPECIFICATION V1.1b and MODBUS over Serial Line Specification V1.02 	 Selectable baud rate 9600 / 19200 / 38400 bps for Modbus 	 Selectable slave address 1 to 127 	 System selection: 	 Thermostat (TH) 	 1 Heat / 1 Cool 	 2 Heat / 1 Cool 	 2 Heat / 2 Cool 	 1 Heat / 2 Cool 	 Heat Pump System (HP) 	 1 Stage Heating / Cooling 	 2 Stage Heating / Cooling 	 Thermostat with 3 Speed Fan System (FC) 	 1 Heat / 1 Cool with 3 Speed Fan 	 Adjustable Span and Differential (0.5 / 1.0 / 1.5&deg;C or 1 / 2 / 3&deg;F) 	 Adjustable Daylight Saving Time (DST) 	 View: Usage Counter (Filter, UV lamp, Energy), Calendar, Defrost Indicator 	 LCD backlight 	 &deg;C / &deg;F selectable 	 12 Hr / 24 Hr selectable  

Thermostat with RS485 Modbus Communication

Exchange text messages with loved ones, post to social media, or communicate via inReach device to inReach device in the field. In case of emergency, trigger an interactive SOS message to GEOS, the Garmin-powered International Emergency Response Coordination Center (IERCC) with professional 24/7 global monitoring and response center. 

Garmin Montana 700i Handheld GPS Receiver (010-02347-11, EU)

Firstsing Co Ltd

 Chip: Jerry AD6976D4 Bluetooth: Bluetooth V5.1 Headphone battery specification: Lithium battery 451012 38mAH Charging compartment specification: Lithium battery 602030 300mAh Music playback time: approximately 6 hours; Talk time: 4 hours Communication distance: 10m Dual ear communication, automatic pairing upon startup Support for master-slave switching Sound effect: Hi Fi sound effect, chip intelligent noise reduction Horn sensitivity: 108+/-2dB Charging port: TYPE-C TWS is available for both adults and children to purchase. Stay away from your needs and preferences. This model is safe for listening. Therefore, it can be used regularly. Using Bluetooth connectors, you can connect them to your device to listen to music or watch videos. The price of headphones is quite democratic. It is not only popular among users due to its low cost, but also its durability and good sound quality.  

BlueNEXT Latest popular Earbuds support Wireless Earphones True Wireless Stereo Headphone

Shenzhen Soaiy Technology Co Ltd

Sun Visor in-car Communication and Hi-Fi Stereo Music System Louder &amp; Clear Sound with Safty and Smart Drive Voice answer/decline incoming calls Last number redial Voice notification for incoming call number Allow connecting two mobile phones simultaneously Play music and GPS via your connected mobile device Automatically power on and connects with your phone when enter your car Turn off automatically when Bluetooth connection is unavailable One key to activate Siri on iPhone or Android phone commands 

Bluetooth Handsfree Car Speaker Phone

Shenzhen Qiaohua Industries Limited

 	 Support IOS and Android devices with free APP Extendable to wireless door bell Full-duplex communication 	 Multiple Sharing Live Monitoring Photo 	 Recording Unlock 	 Remotely High Resolution Camera: HD 720P 	 Super wide view angle: 185 degrees horizontally, 115 degrees vertically 	 WIFI Distance: Outdoor=100m, indoor = 50m (in the open air) 	 PIR motion detection: within 3 meters  

Wifi Video Doorphone

China Electronics Shenzhen Company

This tablet PC features a wide screen for displaying brilliant images. It is professionally engineered to deliver stable and reliable performance. This advanced tablet PC is a user-friendly device for work, leisure and communication.
 
  7.85&quot; screen. 
  Resolution: 1,024 x 768. 
  OS: Android 4.4. 
 

Microtech Technology Co Ltd

Product numberMTR070WV60A-V1ProcessorCortex-A8 architecture, clocked at 1.0GHZMemory512MB of DDR3Flash256MB of Nand-FlashScreen size7 inchesResolution800x480DisplayWide temperature type, 64K colors or 260,000 colorsLED backlightLife &gt; 25000 hoursTouch screenFour-wire resistive touch screen (integrated driver in Wince system)Operating systemWindows CE 6.0 R3Protection classIP65 (front panel)Working conditions12-24V DC, 600mAOperating temperature・10~55℃・20~80℃ (Storage temperature)Working humidity10~90%RHHardware interfaceFour-way 3-wire RS-232 serial ports (C0M1, COM2, COM3, COM4), two of which (C0M1, COM2) can be used as RS-485 bus interface extensions (optional with isolation mode)A secondary isolated CAN bus interface. (optional)-Use the built-in W coin interface. (optional)One USB Device interface, support Active sync and PC synchronous communication and joint debugging applicationTwo-way USB Host interface, support mouse, keyboard, U disk and other devicesOne use 100M Ethernet interfaceSD/MMC interface, support SD card and MMC cardDC12V-24V, with isolated industrial electric boat case, higher reliabilityStructureplastic shellPanel size206.00x142.00 (mm)Hole Size195.60x131.60 (mm)NoticeWhen the serial port is connected, the GND ground of the two devices must be connected together to avoid burning the serial port chip and affecting the communication.  

7inch 800*480 All-in-one terminal Windows CE Embedded industrial touch screen with WIFI

Bestworld Corp Ltd

3.5mm Wired Headphones Gaming/Gamer Headset Game Earphones with Microphone Volume Control for PS4 Play Station 4 X Box One PCDrive Unit Diameter: 40mmFrequency Range: 20-20KHzSensitivity: 106dBImpedance: 32ΩMic Sensitivity: -54dBDirectionality: omni-directionalCable Length: Approx. 1.2mInput Plug: 3.5mm plugColor: Black with Blue, Black with Red (Optional)Weight: 188g / 6.65oz

G4 Gaming Headset

GUANGZHOU TIANBAO COMMUNICATION TECHNOLOGY CO LTD

A networking device designed to supply power and data connectivity to multiple devices using Ethernet cables. It's commonly used to power and connect devices such as IP cameras, Wi-Fi access points, VoIP phones, and other equipment requiring both data and power. With a generous power budget, this midspan can provide a full power of 30W to 700W per port, depending on the model and PoE standard, ensuring enough power is available for all connected devices. Designed for speed, this midspan supports 10/100/1000 Mbps data transmission rates, allowing high-speed communication for connected devices and optimal network performance. Feature: IEEE 802.3at compliant with 2-event classification.IEEE 802.3af /at backward compatible.Full power of 700W-30W per port, no power management required.Supports 10/100/1000Base-T applications.Low power devices receive only the power they need.Automatic detection and protection of non–standard Ethernet terminals.Plug-and-play installation.Size: Length: 440mm.Height: 44mm.Width: 210mm.Weight: 5.4kg.Application: VoIP phoneSecurity system.Access point.IP camera.Pan-tilt zoom (PTZ) camera.System requirement: Device that meets IEEE 802.3at or IEEE 802.3af standards.Price: 420 USD. 

24-Port Gigabit Midspan

Devon Global Trading Limited

Charging While Shining Introducing the 25W Foldable Solar Charger, a portable powerhouse at 0.464kg. Ideal for outdoor enthusiasts and two-way radio users, it features a DC5525 interface for professional communication device charging. The Type C interface supports QC fast charging (5V, 9V, 12V), while the Type A interface is QC2.0 and QC3.0 compatible. Imagine staying connected in the great outdoors as this compact charger effortlessly transforms sunlight into p o w e r f o r y o u r s m a r t p h o n e s a n d g a d g e t s . Lightweight and versatile, it ensures uninterrupted communication for professionals and a reliable energy source for all your devices, making it the goto solution for on-the-go charging needs. 

Solar Charger

Enhance your experience in the back country with the Garmin Montana 750i Handheld GPS Navigator, featuring routable topographic maps, BirdsEye satellite imagery, multi-GNSS networks, and ABC sensors—altimeter, barometer, and three-axis electronic compass. This version of the Montana is equipped with inReach satellite communication to text with any other inReach device from anywhere in the world, no cell signal required. Document your adventures with the 8MP camera; the pictures are geotagged so you can find your way back in the future. 

Garmin Montana 750i Handheld GPS Receiver (010-02347-01, EU)

 	 Bluetooth Hands-free Car Speaker Phone&nbsp; 	 Sun Visor in-car Communication and Hi-Fi Stereo Music System Louder &amp; Clear Sound with Safty and Smart Drive&nbsp; 	 Voice answer/decline incoming calls&nbsp; 	 Last number redial&nbsp; 	 Voice notification for incoming call number&nbsp; 	 Allow connecting two mobile phones simultaneously&nbsp; 	 Play music and GPS via your connected mobile device&nbsp; 	 Power off automatically when Bluetooth connection is unavailable&nbsp; 	 Open/Shut the door automatic intelligent power on&nbsp; 	 One key to activate Siri on iPhone or Android phone commands 	 150g  

Bluetooth Hands-Free Car Speakerphone

* Sun Visor in-car Communication and Hi-Fi Stereo Music System   Louder &amp; Clear Sound with Safty and Smart Drive  * Voice answer/decline incoming calls  * Last number redial  * Voice notification for incoming call number  * Allow connecting two mobile phones simultaneously  * Play music and GPS via your connected mobile device  * Automatically power on and connects with your phone when enter your car  * Turn off automatically when Bluetooth connection is unavailable  * One key to activate Siri on iPhone or Android phone commands  * Talking time: 18 Hours  * Standby time: 1200 Hours  * Product Size: L125*W26*H89mm  

 Bluetooth Handsfree Car Speaker Phone

Presented to you is a switching power adapter which passed full load burn-in test, ensuring you with utmost safety when using. This adapter flaunts an input voltage of 100 to 240V, and includes an interchangeable plug for various countries. Applicable to most kind of electronic devices, this portable adapter is an ideal choice for you to bring along for a trip.   100% full load burn-in tested.   With various kind of certificates and three-year warranty.   For most portable devices or machines such as digital camera, CD-ROM, HUB, ADSL, AP, communication terminals, tester machine.   Input voltage: AC 100-240V, 50/60Hz, interchangeable plug US/EU/AS/UK (input C8/C6/C14).   Output power: 72W.   Output voltage: 24V3A.   Storage temperature: -20&deg;C to 85&deg;C.   Withstanding voltage: AC 3000V (min.), 5mA (max.).   Safety: UL/CUL, PSE, GS, BS, CE, CB, FCC, SAA, CCC, BSMI, C-TICK.  

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