Description: Powerful high performance support, low audio latency, low latency and high performance, greatly improved functions. Tough materials are preferred, and there is no difference in twisting. TPE soft glue is bent at will, and it is preferred to be strong and tough. Waterproof and sweat proof design, sound quality is always the same, easy to deal with outdoor and indoor complex environment, effectively prevent rain splash, prevent dust damage components. It is easy to operate the buttons, and the sports/games can be operated without cutting the screen. The game is durable and easy to enjoy. You can enjoy the pain without wearing it for a long time by gently hanging it on your ear. Specification: New and high quality Material: TPE soft glue Transmission range: 10m Functions: call function, music support Bluetooth protocol: 5.2 Channel: stereo Usage: bone conduction Single or double ear: double stereo Color: black Package Included1PCS Note: Please refer to the measurement. Tiny measuring error is allowable in normal range. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image.