"Model: JR-T03S
3T version: V5.0
Communication range som (Standard Environment)
Frequency response sensitivity: 20Hz-20KHz
Sensitivity: 103dB SPL +/-3 dB
Distortion: <5%
Support protocol: HSP/HFP/A2DP/AVRCP
Impedance: 16 Q
Voltage: 3.3-4.2V
Power: Smw
Charging box battery capacity: 400mAh
Headset battery capacity: 45 mAh
Play time: about 3h(volume 80%)
Standby time: about 80h
Charging box USB charging: about 1h
Charging box wireless charging: about 3h
Earbuds button control: Touch control