2-in-1 design, more convenient and wireless Bluetooth headset connection to listen to your favorite songs, handsfree to answer, or change to the call. The LED lights on the hat provide a great convenience in dark environments. Rechargeable Li-ion battery, charge via USB cable, long standby time. Perfect for outdoor hiking, jogging, skating, cycling, dog walking, winter bus waiting, etc. Flexible stretch material for maximum fitness.
Specification Material: Acrylic Size: One size Circumference of the head: 50-60 cm Sex: Unisex Bluetooth technology: V5.0 Frequency: 2.402 GHz to 2.480 GHz Spreading distance: 10 meters Minimum distance from the microphone: 1 meter Battery capacity: 3.7V / 150mAh Charging time: within 2 hours Continuous working time: 6 hours