2020 Matt Black ANC TWS Earbuds with Touch Control
GENERAL FEATURES:

• Bluetooth chipset: BES2300Z
• Bluetooth standard Bluetooth:  V5.0
• Music audio decoder:  SBC
• Wide band audio:  Support
• Multi-point connection:  No
• Voice prompt:  English
• Ear-buds controller:  Touch control
• Dual click controller:  Support
• Auto paring when charging case is opened:  No
• Auto paring when take ear-buds out from charging case: Yes
• Dual speakers when calling:  Support
• Waterproof rate:  IPX4
• Siri assistant(iOS system)/Google assistant (Android system): Support
• Earbuds remaining battery power indicate on mobile phone: Support
• 4 LED lights indicates charging case remaining battery power

Power consumption:

• Ear-buds batteries: Lithium battery (60mAh each)
• Charging case battery:  Lithium battery (500mAh)
• Ear-buds charging status indication:  Red/Green LED
• Charging case remaining battery power indication: 4 green LED lights
• Charging slot:  TYPE C
• Voltage range of charging case:  4.5-5.5V (Supports max. 12V voltage protection)
• Support fast charging:  No
• Wireless charging:  No

Working time: 

• Ear-buds full recharged:  1.5h
• Charging case full recharged:  2h
• Playing time (ANC is off):  6H
• Playing time (ANC is on):  5h
• Full recharged ear-buds by provided charging case: 2 -3 Times
• Standby time (ear-buds in the charging case):  180 days

Audio Characteristics: 

• Receiver/speaker drivers:  ɸ10mm dynamic driver /32 ohm; sensitivity : 92+/-2dB
• Microphone:  2718 MEMS mic; Sensitivity : -42+/-1dB
• Active noise cancellation:  Feed Forward
• Monitor:  No
• A2DP Frequency Range/A2DP:  20~20k Hz
• A2DP System Sensitivity @ nom. Vol/A2DP sensitivity: 93+/-3dB @Headset nominal volume @0dBFs stimulus input level.
• HFP Receive/sending Frequency Range/HFP: Support wide band HFP
• 100Hz~8k Hz
• HFP Receive sensitivity/HFP (dBspl@1KHz): 96+/-3dB @Headset max volume,@-20dBFs stimulus input level.
• HFP Sending Loudness Rating/HFP Sensitivity (dBV/Pa): -35+/-3dBV/pa
• Receive Idle Noise(at maximum volume):  Less than 29dBA @max volume
• Sending Idele Noise:  <-70dBV
• ANC performance: Max ANC≥25dB;Average ANC≥20dB from 50Hz to 400Hz

RF Characteristics:

• Antenna type:  Ceramic antenna
• RF Power /RF grade:  Class1
• Conducted Sensitivity: -92dBm
• Passive antenna: 30%
• TRP: 6dBm
• TIS: -83dBm
• Outdoor Bluetooth connection distance: 10m, 360degree free space

Environmental Requirement:

• Working temperature: -20°C ~ 60°C
• Working humidity: 5%~95%
• Storage temperature: -40°C ~ 70°C
• Storage humidity: 5%~95%
• Waterproof rate: IPX4