Bluetooth Headphones 2016 Runner X9 Bluetooth 4.0 Wireless Earphones In-Ear Headphones with Mic APT-X Sweatproof Magnet Earbuds for Running Bass Hands Free Noise Cancelling Stereo Music Advanced Technology: Equipped with Bluetooth Version 4.0 technology to make one-tap hook up with less energy consuming. Optimum Comfort: Premium quality earbuds give you evenly distributed pressure, flexibility and a good seal with optimum comfort. Smart Connection: Once successfully paired with your devices, it will automatically connect the previous device for the next time. Beautiful Taste: Integration of classical handicraft techniques with humanity design esthetics, joy of comfort and noble experience. Package included: Trendwoo Runner X9 Bluetooth V4.0 Stereo Headphones, 3 sets of earbuds, Micro USB charging cable, User Manual.