Bluetooth Headscarf Wireless Music Sports

Product information:
Bluetooth Standby time: 300h
Battery capacity: 200mAh
Battery power: 0.55W
Horn impedance: 32 ohm
Speaker Power: 0.02W
Frequency range: 2.4-2.4835GHz
Sensitivity: 45db
Transmit power: 6dB
Audio output distortion: 0.6%
Audio output signal-to-noise ratio: 93dB
Charging time: 1-2 hours
Color: Black E label, heather gray E label, Black M label, heather gray M label