Soft stretchable material for maximum fitness.
2 in 1 design,more convenient and wireless bluetooth headset connection to listen to your favorite songs,hands free to answer or hange up the calling.
The LED lights on the hat provide great convenience in dark environments.
Set-in Li-ion chargeable battery, charge via USB Cable, long stand-by time.
Perfect Fit for outdoor hiking,jogging,skating,cycling,dog walking,waiting for bus in the winter etc.
Bluetooth technology: V5.0
Frequency: 2.402 GHz to 2.480 GHz
Spreading distance: 10 meters
Minimum microphone distance: 1 meter
Battery capacity: 3.7V/150 mAh
Charging time: within 2 hours
Continuous working time: 6 hours
USB interface charging, charging voltage 5.0V,
Battery capacity: 250 mAH
Charging time: about 2 hours
Working hours (3 different brightness): 2-8 hours.
1x USB Cable