Bluetooth headphones,In Ear Headsets Sport Sweatproof Earphones with Built-in Mic Wireless headphones CRYSTAL CLEAR SOUND:With Advanced APTX tech offers incredible sound quality with deep bass and crystal clear sound. NOISE REDUCTION:With CVC 6.0 technology,The bluetooth headphones reduce background noise , So you can enjoy your favorite music,no matter where you are. BLUETOOTH V4.0:You can connect all the bluetooth enabled devices up to 30 feet.such as your iphone,ipad and Android mobile phones. LONG BATTERY LIFE allows the Bluetooth headphones to play up to 7 hours of music and 180 hours of standby time . FREE WARRANTY:We are committed to providing you the best wireless headphones available,So we give 30 days money back guaranty and 12 month warranty,if yo have any problem,Please feel free to reach out to us.