Detachable & Washable Liner: The motorcycle helmet’s liner is convenient for you to wash and replace at any time, keeping the inside of the helmet clean and hygienic. This design prolongs the service life of the product while ensuring your health during every ride. Bluetooth Headset Slot: The motorcycle helmet’s bluetooth headset slot is left inside. During long-distance rides, it is convenient for you to answer phone calls, listen to navigation, etc. It makes your ride smarter and more convenient. Large Tail: The motorcycle helmet comes with a large tail. You can easily install it on your motorcycle helmet to improve aerodynamic performance. It has vents and right weight distribution, avoiding the feeling of pressure on the head. Built-in Sunshade Lens: The motorcycle helmet is equipped with large clear lens to block the wind while maintaining a high definition, minimizing the probability of accident. The built-in dark tea lens blocks glare and dazzle and avoid visual fatigue. ECE Approved & Sturdy: This motorcycle helmet is ECE certified and meets the US regulatory requirements. Its sturdy ABS shell combined with soft EPS foam and skin-friendly lining provides all-around safeguard for your head.