Joylink Sports Bluetooth Earphones Improved Design: It is Joylink updated product for bluetooth earphone, moving multi-functional controller to line for changing tracks easily, it is really convenient to listen music or answering phone calls when sports or do something else. Updated bluetooth earphone offers longer using time (more than 5 hours continuous talking / music); easier and faster pairing with devices; more comfortable feeling and not easy to damaged High Quality Materials: This wireless bluetooth earphone is made of premium materials with soft smooth silicone gel surface and features sweatproof, so you can enjoy noisy-isolating music without any disturbing even when you are running, jogging, cycling and working out. It is designed to naturally fit the contours of your ear, different sizes of earbud tips are provided to guarantee constantly comfortable feeling High-fidelity Stereo Sound: This sports earphones deliver deep and rich sound, make sure you will have clear voice calls with your friends and family. Our great noise isolation system (CVC 6.0) allows you to hear your breath and favorite music but noise cancelling Ergonomic Design: this earphones are lightweight so they are super comfy. With the ergonomic design and eco-friendly material, they conform to the contour of your ears, stay comfortably and securely in place, even during the most vigorous exercise Multi-function: This Bluetooth earphone allows you realize remote control to your devices, such as, volume up/volume down, previous track/next track, answer/end calls. Build-in microphone makes your phone call hands free