【Multi-Function Motorcycle Helmet Speaker】You can enjoy music while listening to GPS voice guidance, support incoming calls to answer automatically, which makes for safe and happy riding. Adopting high quality wireless chip, you can connect two cell phones at the same time, you can freely use one of them to control music and navigation. | 【1000 mAh High Capacity Battery】VR robot Helmet Bluetooth Headset Built in 1000mAh rechargeable Li-ion battery,supports 32 hour continuous working and 360 hour stand-by on a single charge. Long stand-by and working time. | 【The Motorcycle Earphones Sound Loud】The helmet speakers use graphene diaphragms and are equipped with CVC active intelligent noise reduction to filter out noise. The microphone uses windproof sponge to ensure stable and clear calls during the ride. Stable Bluetooth connectivity allows you to play music and take calls while riding at high speeds and get clear calls. | 【Easy Installation】Clip-on mounting base, only need simple steps to install or remove the helmet headset, support all kinds of helmet mounting. Supporting cell phone voice assistant wake-up function, it can make your riding journey more convenient. | 【Perfect Sound Quality】Professional-grade acoustic optimization tuning, as far as possible to restore the essence of the music, the sound quality is fuller, the call is clearer and purer. If you have a problem with your helmet headset, please contact us at Amazon Buyer Center, and we will reply to you within 12 hours.