TROND Bluetooth V4.1 Wireless Sports Headphones Sweatproof Running Gym Stereo Earbuds Headset Built-in Mic/APT-X for iPhone 5s 6 6s plus Galaxy S6 S5 and Android Phones - Red Latest Bluetooth 4 1 technology easy and fast pairing with smartphones tablets and other Bluetooth enabled music devices apt X codec provides pure CD like high quality sound for compatible devices CVC Noise Cancellation 6 0 technology reduces outside noises enable clearer sound from microphone you get high quality hands free phone conversation even on the street or inside shopping mall Extended Battery Hours TROND Dash features the high density battery of 100mAh by 3 7V which is bigger than most sport Bluetooth headphones in the market Up to 10 hours of uninterrupted talkbyplaying time with one single charge and 8 days standby time Can be fully recharged within 2 hours Universal Compatibility While pairing is very intuitive TROND Edge can work seamlessly with your iPad iPhone iPod Touch Android Smartphones tablets Bluetooth enabled music players and Bluetooth receiver What You Get: TROND Dash Bluetooth 4 1 Sport Stereo Headphone one USB to Micro USB charging cable 4 pairs of premium ear cushions (S S L L) one cable clip Welcome Guide 18 MONTH TROND warranty & 30 DAY money back guarantee