Smart eHat with Bluetooth Speaker and Led Light

2-in-1 hat made of a soft and comportable material, including a wireless bluetooth headset along with a LED light that can help in dark environments. Occasion: hiking, skating, skiing, jogging, dog walking, or simply walking in winter 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