• Soft stretchable material for maximum fit.
• Convenient and wireless bluetooth headset connection to listen to your favorite songs, hands free to answer or hang up calls.
• 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
• 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