Brand-new Bluetooth function, music life, brand-new open experience, you can , the phone and listen to the radio without wearing headphones. Wave your hand to say goodbye to complicated operation. In the incoming call state, wave to the phone and wave twice to hang up the phone. In the lighting mode, wave your hand to turn the lights. Night lighting is illuminated for one second, and the headlight has a illumination angle of 230 degrees, realizing free illumination from super viewing angle. Waterproof and sweat-proof, IPX4 waterproof, secret charging design, no fear of sweat and rain, unbridled exercise. Headlight design is light and convenient, suitable for many occasions and convenient to use. Name: Intelligent Wave Induction Headlight Weight: about 76g Duration: 2.5-3.5 hours Charging time: 3 hours Colour:Black+White Material:Silicone+ABS Size: 25 x 3 x 1.5cm Package Contents: 1 x Headlight 1 x USB cable 4 x Safety helmet hook Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.