Chipset: Bes2300
Noise reduction depth: 25-30dB
Support: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6
Bluetooth version: 5.0v
Response Frequency : 316Hz ± 20%
Speaker size:Φ10mm
Impedance: 16Ω ± 15%
Intelligent degree: 97 ± 1.5dB at 1000Hz at 0.126v IEC-318
Frequency range: 20Hz-20kHz at 0.126v IEC-318
Effective range:up to 10 meters
Earbud battery capacity: 2*45mAh
Bluetooth work time: up to 4 hours
Bluetooth + ANC work time: up to 3 hours
Charging case battery capacity:750mAh
Earbud charging time:~1 hours
Charging case charging time: ~ 2 hours
Charging port: Type-C USB
Materials : ABS+ PC
MOQ per customized color 2000pcs
Charging case size :62.77x52.99x27.12cm