● Bass--Emphasized Bass: side tone holes, boosting double bass effect. ● Noise Isolating and Comfortable--Memory Foam v2.0: special space pillow material cushion offer a comfortable wearing,a better depth into ear and reduces environmental noise. ● Good Helper for runing and games: it won't fall off your ears while running and can adjust the volume during games. ● Ergonomic and Friendly Design: *total 2.2m cable length*, *full compatible line controller*, *4 pairs of optional eartips*,etc. ● Varied accessories: 23.6inchs/ 0.6m extended cable, PC converter,etc.