Premium material and IP67 waterproof design - Built with high-quality materials and a waterproof IP67 enclosure to withstand outdoor riding conditions. High performance wireless connection - Uses the latest Bluetooth 5.0 + EDR technology for strong signal transmission and ultra-low power consumption, ensuring reliable operation on the move. Broad compatibility with mobile devices - Connection system supports Bluetooth headsets and can connect and control Android and iPhone mobile phones. Note: iPhone does not support receiving calls. Practical mounting and convenience - Velcro strap adjustment allows secure attachment to handlebars or other mounting points, enabling convenient use with different riding equipment. Use scenarios - Daily commuting and city riding: mount on the handlebar within easy reach and use the helmet headset to manage phone functions and audio without taking hands off the controls. - Long-distance riding or touring: keep your phone safely accessible in a pocket while the remote handles calls or playback control via the connected headset during long trips. - Versatile equipment setup: compatible with different helmets and riding gear thanks to the adjustable Velcro strap, enabling quick transfer between bikes or helmets.