PGXPITSTOP?The installation of the intercom for helmet is very convenient, even if you have a unique or personalized helmet, you can fit it;5.0 Bluetooth chip, Hi-Fi earphone, detachable whenever you want.With a hands-free speaker, no need to hold a mobile phone while riding.Let music surround your life, switch music navigation and answer call anytime?Using Windproof and More Stable Connection.DSP Noise Cancelling Technology, Loud Volume, This Bluetooth helmet headset Transfers Clear and High-Quality Stereo Music Sound. Compatible with All the Smart Phones with Bluetooth Function, Mp3, GPS Are Supportable Independently.?Helmet Bluetooth device compatible with almost all Bluetooth-enabled mobile devices. The maximum effective distance is 20-30 meters, supporting smart phones, allowing you to stay connected to your phone and enjoy music, providing efficient and convenient communication during the ride.Feature?Wirelessly listen to music with integrated Bluetooth technology.?In fashion design, let the music surround your life at any time.?Hands-free function, truly free your hand.?Set-in rechargeable Li-ion battery, long standby, and working time.?Support power displaying on iPhone, easy to know when it needs to be charged.?DIY design, available to be detachable when you want.?Sound reminder function, easy to set the device according to the sound reminder.