KOKKIA iSportHelmet : UNIVERSAL Sports/motorcycle Helmet Stereo Earphones + Microphone. Universal remote-control and volume adjustment for Apple iPhones/iPads/iPods, Samsung, Nokia and most Smartphones/Devices. Universal remote control, volume adjustment and microphone works with Apple iPhones/iPads/iPods that support remote control, Samsung, Nokia, 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 and Volume Adjustment 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, Volume Adjustment, Answer call, Hang-up call functions work with Apple iPhones/iPads/iPods that support remote control, Samsung, Nokia, most Android, Windows smartphones/devices. This iSportHelmet 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.