1、Upgraded Technology: Our headset adopts the latest 5.3 BT chip, uses the latest 5.3 + EDR BT technology, super signal transmission low power consumption, spends all BT devices, supports auto-answer function, safe and fast. 2、Smart Design: One helmet BT headset wirelessly connects two mobiles at the same time, with automatic connection, and enjoy music, and stable connection, providing efficient and convenient communications in riding. 3、 Perfect Sound Quality: Motorcycle helmet headphones with professional speakers and shocking dynamics, noise-canceling technology, and loud volume, this helmet headset transfers clear and high-quality stereo-tune sound. 4、Easy To Operate: Three buttons design, offering more convenient control while riding. And make the buttons larger, so you will not be difficult to use when wearing gloves. It is easy to install it into the helmet, fixed firmly. 5、Wide Used: This helmet BT headset can be used in many places, such as motorcycle riding, skiing, Cycle, rock climbing, traveling, and more. Compatible with all helmets and smartphones, helps you to have a pleasant trip.