【Ultra thin headphones】Jzaq Motorcycle Helmet Bluetooth Headset Only 0.35inch thick, Earphone speakers won't squeeze your ears,suitable for all helmets.Automatically answer calls. Can answer phone calls/listen to music/navigate,Make you safer while riding.Helmet speaker has voice assistant function. | 【Long Play Time】 Built in 600mAh rechargeable Li-ion battery,Long stand-by and working time.Support 90 hours continuous talking and Playing time, 500 hours standby time.Charging time 2 hours.Support display battery on phone. | 【Waterproof Technology】Bluetooth Helmet speakers have IP67 deep waterproof technology, allowing you to ride outdoors. You can riding on rainy and snowy days.Rainy weather outdoors will not affect the use of helmets and headphones. | 【Perfect Sound Quality】By using windproof and more stable connection.DSP noise cancelling technology,Helmet headphones Bluetooth play music with loud sound, allowing you to hear it clearly while riding.this helmet headset transfers clear and high-quality stereo music sound.motorcycle accessories headset Compatible with all the smartphones with Can be used for Riding motorcycles, skiing, horseback riding,MP3,GPS are supportable independently. | 【EASY To In Stall】Motorcycle helmets Design with detachable velcro,have installation accessory package available.Easy to install it into the Helmet,fixed firmly. CE and FCC certification.Appearance patent, Bluetooth Association certification.Important: please check whether the size of your helmet is appropriate before buying, and look at the size of our headphones. You can see the size of headphones in the picture introduction.