Winter Wireless Bluetooth Smart Cap

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.

Specifications:
Material:Acrylic
Color:Dark Gray/Black
Size:One size
Head circumference:50-60cm
Gender:Unisex
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

Package included:
1 LED Bluetooth Knit Hat
1 USB Cable