Up to 50 hour playtime:- For playlists that you never want to hit pause on, without needing to worry about running out of charge. 3 EQ Modes (Tru bass, Tru balance, Tru rock ):- You deserve to listen to audio the way you like best. We make that happen for you with Tru Bass, Tru Balance and Tru Rock. 10mm Driver:- Dive into the world of balanced audio quality. ENC for superior calling:- Experience a clear calling experience when you talk on the phone with Environmental Noise Cancellation.