Sunvito Bluetooth 4.0 Stereo Headphones Sweatproof Sports Running Gym Exercise Headsets Earpiece with Microphone & for iPhone 6s / 6 Plus / 5, Galaxy Note 4 S6 and other Cellphones(Black) Advanced CSR Bluetooth 4.0 technology with CVC Noice Cancelling ensures professional,high-fidelity and stereo sound quality and clear calls. Compact and lightweight,incredibly Comfortable, Secure Fit Bluetooth Earbuds- The uniquely designed ear hooks form around your ears, so you don't have to readjust them endlessly. Designed to stay in place and not fall out. Can be connected 2 bluetooth devices at the same time,you will never miss any phone calls if you have 2 phone calls. Strong Wireless Signal,distance is never a problem.You can enjoy skip-free music in a 10-meter working distance. Rechargeable mAh Li-Polymer Battery for long user time: Play/music time up to 5-8H,standby time up to 100H.Charging time: About 2 hours.