Leightweight and High Performance Sweatproof Sport Headphones Wireless 4.0 Bluetooth Earphones In-ear Stereo Headsets Earbuds built- in HD Sound MIC, hands-free calling, Noise Cancellation, NFC Perfect for iPhone 6 6 Plus 5S 5C 5 4S, Galaxy Note 3 2 S4 S3 Sony and Google, Blackberry, LG (Black-3) TALK TIME AND STANDBY TIME:Built in 120mAh Rechargeable lithium polymer battery ,The Cyelee SH05B provides up to 5 hours of music playback time (6 hours of talk time), and 120hours of standby time MADE FOR WORKOUT::Super lightweight(17.2g) and portable ,Ergonomically and Behind-the-head designed design fits comfortably and long time stays stably put for all levels of exercise .With different size earbud,you can find the best for you. SPLASH-PROOF,SWEAT-PROOF, DURABLE DESIGN:Cyelee SH05B works through rain, sweat, and even the splash of a sports drink They are protected against sweat and moisture, High Quality material and processing make the headphones more reliable. ALL-IN-ONE: Compatible with Bluetooth-enabled smartphones(e.g. iPhone 6, iPhone 6 plus), tablets, PCs and MP3 players for music, movies, and calls, Check your headset's battery level from your iPhone.Bluetooth headset designed for sports is an all-in-one gadget for your audio needs. HIGH PERFORMANCE:Easily connect this NFC-enabled Bluetooth headphone with built-in microphone to 2 devices and listen to HiFi stereo sound and crystal-clear phone calls simultaneously.