Adult Smart Bike Helmet with Front and Rear Lights - Black, L

The helmet is designed with front light and tail light, safer to cycle at night. It has four lighting modes: - front lights and rear lights are always on - front lights are always on, rear lights flash quickly - front lights are always on, rear lights strobe - front lights are off, rear lights flash quickly. Built-in 750mAh rechargeable lithium battery, long battery life. PC shell + EPS foam one-piece structure, double protection, safer and more secure. Vent holes for ventilation and keep the head cool and dry. Lightweight and breathable, comfortable to wear. Specification: Material: PC shell + EPS black liner. Battery: 750mAh. Charging time: 2 hours full charge. Standby time: 160 days. Battery life: 6 hours (maximum power consumption mode).