Smart Bicycle Helmet LED Bicycle Intelligent Helmet with Signal Lights

Features:
Made of high quality PVC, hard and solid, long-lasting durability, keep long service life.
Thicken EPS foam core protection, impact-resistant, soft and comfortable, better protection.
Equipped with remote, easy to operate, be more proactive about keeping yourself and prevent collisions when riding traffic.
Equipped with a rechargeable 650mAh lithium battery, CR2032 button battery and USB cable, convenient to charge.
Airflow ventilation design keep you breath freely, shunt air resistance to reduce wind resistance.
Adopts a 360 regulating system, you can regulates the tightness freely, more comfortable.
Adjust to your comfort with the adjustable strap, one-size fit on heads from 22.4''-24.4''(57-62cm).
Multiple flashing modes are suitable for different riding occasions.