Bluetooth Headphone,Coeuspow Wireless Sports Stereo In-ear Headphone for Running ,Bluetooth 4.0 with Built in Microphone and Volume/Media Control -Green 1.Coeuspow newest design bluetooth 4.0 wireless sport sweatproof headset stereo 2.Up to 4 hours of continuous talking / music time and up to 120 hours of standby with a single charge, less time charging and more time doing. 3.Multipoint connection: can pair with 2 different devices simultaneously,Compatible with iphone 6 6s 6 Plus, 5 5c 5s 4s ipad, LG G2, Samsung Galaxy S5 S4 S3 Note 3 and all bluetooth-enabled Smartphone/ PC/ Laptops/ Tablet/ Desktops,and other Bluetooth music player. 4.High-fidelity stereo music and clear speech, you can begin enjoying CD quality stereo sound instantly within 33 feet. 5.Comfortable and secure design fits perfectly to your ear; the cable smartly stays out of your way when running, jogging or exercising . Built-in magnets let you attach the two headphones together when not using, and wear like a necklace around your neck, a convenient way to carry around when you don't need them.