KOKKIA SportHelmet (BLACK cables): Helmet Stereo Earphones + Microphone and Remote-Control for Samsung Galaxy / Note / etc and most Smartphones/Devices. The remote and microphone are supported by Samsung and most Android, Windows smartphones/devices. Audio is supported by all smartphone models and any 3.5mm MP3/audio device. Stereo Earphones With Microphone and Remote Control for Helmets (3.5mm jack, 4ft long cable). Can attach to SmartPhones/Tablets/MP3/Bluetooth receivers with 3.5mm audio jack For motorbikers, skiers, snowboarders, sky-divers, etc. Earphones firmly fixed to inside of helmet via Velcro, great stereo sound quality. Microphone for best voice quality. Play, Pause, Next, Previous, Vol+, Vol-, Answer call, Hang-up call functions work with Samsung and most Android, Windows smartphones/devices. This SportHelmet works extremely well with KOKKIA iAmplifier + Splitter ( http://www.amazon.com/gp/product/B00GU070XE ), for users who desire additional audio amplification, and/or enjoy music with someone else or their pillion rider.