After 300 charging cycles, at least 70% of the output capacity should be present
Driver unit (mm): OD40mm 20mW*2 mmφ 32Ω±4.8(15%) speaker 20Hz to 20KHz
Sensitivity (dB): -38±3dB
Impedance (Ω): 32Ω±4.8(15%)
Microphone (Sensitivity) : -38±3dB
Maximum output Power: 10mW
LED indicator: Yes (Red and White)
Included supply: USB cables
Color: white, black
1).Chipset: Broadcom V5.0
2).Bluetooth Range:10M
3).Talking Time: 15H
4).Music Time: up to 15H
5)Charging time:3.5H (charge box)
6).Charging voltage: DC 5V 300mAh
7)Dimension: Lmm
8)Output power: 32Ω13MM 5mw *2