QCY Mini Lightweight Wireless Stereo Sports/running !#!amp!*! Gym/exercise Bluetooth Earbuds Headphones Headsets W/microphone !#!amp!*! Noise Cancellation for Iphone 5s 5c 4s 4， Ipad 2 3 4 New Ipad， Ipod， Android， Samsung Galaxy， Smart Phones Bluetooth Devices

• CSR 8645 V4.1 Breakthrough exclusive technology doubles Jelly Comb QCY QY7 playtime to a solid 8 hours， offering a full week of workouts， or a full day of listening.
• CSR Bluetooth V4.1.Built-in HD microphone，intelligent noise reduction technology， support "Apt-x" high quality voice，offering perfect music and calling experience.
• PureSound In-ear white noise and listener fatigue reduction. Eliminates the white noise and delivers a clean audio experience offering hours of pure enjoyment.
• Long working and Standby Time: 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.