Bluetooth 4.1 Headsets, FeiDas Wireless Stereo Earbuds Sweatproof Running Earphones In-Ear Noise Cancellation Sports Headphones with Mic & APT-X Easy Compatible with iPhone, Android Devices (Green) Lifelike Sound Quality With latest V4.1+EDR BlueTooth technology makes music sound like a concert in your ear High Quality Guarantee: CVC6.0 Noise cancellation makes you enjoy a clear sound in noisy occasion. Multi-point supports to connect 2 mobile phones at the same time. Easy Access: The simple user interface on one of the earphones allows you adjust the volume, play/pause, select songs and answer/hang up calls completely effortlessly Battery Performance:Powerful rechargeable battery takes just 1.5 hours to charge and provide 150 hours of standby time or 6 hours of continuous music play time What You Get: Bluetooth headset, 1 Black Storage Box, USB charging cable, User manual and 2 sets different sizes ear caps. 12 Months worry-free warranty.