Bluetooth Headscarf Wireless Music Sports $ 8.01 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 Packing list: Scarf*1 +Power cord Product Image: