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;