Koncen&reg;X13 Mini Lightweight Wireless Stereo V4.1 Bluetooth Headphones Noise Cancelling Headphones Sports/running & Gym/exercise Bluetooth Earbuds Headphones Headsets with microphone for Iphone 6 Plus /6 5s 5c 4s 4, Ipad 2 3 4 New Ipad, Ipod, Android, Samsung Galaxy, Smart Phones Bluetooth Devices (Black&green) Chip: CSR 8645 V4.1 Breakthrough exclusive technology doubles Soundbeats ,playtime to a solid 8 hours, offering a full week of workouts, or a full day of listening. Signal Plus for skip-free music outdoors. Use your music device left/right side, above/below waist, doesn't matter with Signal Plus. Pure Sound In-ear white noise and listener fatigue reduction. Eliminates the white noise and delivers a clean audio experience offering hours of pure enjoyment. Sweat-proof, durable design, Onscreen Battery Meter, Up to 6 hours of Talk/Playing Time and 150 hours Standby Time. High-fidelity stereo music and clear speech, You can begin enjoying CD quality stereo sound instantly.