Ecoxgear EcoPucks Wired Helmet Audio - Optimized for helmet audio liners. Large button on each earpiece allows for easy control, even gloves on. EcoTalk - Voice assistant integration with Siri and Ok Google compatible with built in mic Activate to speak to your voice assistant when the EcoPucks are paired to your phone Pure HD sound clear sound with enhanced bass Zello Walkie Talkie push to talk one-on-one or create a group, even share your GPS coordinates Only works when your cellphone has cell coverage Male aux-in headphone connector 1/8in (3.5mm) auxiliary audio input jack to play from any wired audio source IP67 waterproof and snowproof Packaged with recycled material Length: 2in Width: 0.5in Height: 2in Weight: 2oz