GJTYY7 Sport Wireless Stereo Bluetooth 4.1 Lightweight Headphones Earphones Earbuds Noise Cancelling Headsets for iPhone,Samsung,Android Cellphones Enabled Bluetooth Device (BLUE) SOUND QUALITY: Latest Bluetooth 4.1 technology;aptX codec provides pure, CD-like high quality sound for compatible devices.Built-in Microphone. Easy picking up and hanging up phone calls. WORKOUT-COMPATIBLE: Rubber adapters and unique design ensure that earphones always stay in place no matter your level of activity.Comfortable and secure design fits perfectly to your ear; the cable smartly stays out of your way when running, jogging or exercising. EASY TO USE: Compatible with most enabled Bluetooth smartphone and devices, pairing up takes just a matter of seconds. The simple user interface on one of the earphones allows you to adjust the volume, pause, select songs and pick up calls completely effortlessly. DURABLE: Up to 5 hours of continuous talking / music time and up to 175 hours of standby with a single charge, so you have less time charging and more time doing PACKAGE CONTENT: 1x GJT Bluetooth Wireless Headphones, 1 x user manual, 1 x charging cable.