Bluetooth  IC: CSR8640
Bluetooth Version: 4.0
Bluetooth  Profiles: A2DP、HFP、HSP、AVRCP
Talk Time: 8.5H
Play Time:  7.5H
Standby Time : 300H
LED:  White、Orange
Supported Features: Support the  iPhone
battery display, Voice prompt, Connect the two devices
Certification:  BQB, CE, ROHS, FCC
Battery type: Lithium polymer battery
Battery Output Voltage: 3.7V
Battery Capacity: 100mA/h
Full Charging Time: ≤2h

Speaker Size: Ф6

Speaker Sensitivity: 91dB±3db

Speaker Impedance: 16Ω

Speaker max input Power: 5mW

Speaker frequency Range: 20-20KHZ

Microphone frequency range: 20-20KHZ

Microphone Sensitivity: -42db/±3dB