Hi-res certified soundLife Tune active noise canceling headphones have 40mm drivers with highly-flexible silk diaphragms that reproduce deep, resonant bass and crisp treble up to 40kHz - ensuring music has enhanced clarity and precise details.Multi-mode noise cancelingLife Tune's hybrid active noise cancellation uses external and internal microphones to detect and cancel out up to 95% of engine noise. Transport, Indoor, and Outdoor modes tailor noise cancellation to block specific noises more effectively.Voice enhancement for callsBy pairing 2 microphones with a noise reduction algorithm, Life Tune active noise canceling headphones eliminate distracting ambient noises so you sound crystal clear when making calls.40-hour playtimeListen for up to 40 hours on a single charge when using noise canceling and extend it to 60 hours in standard mode. For a boost of power, charge for 5 minutes and get 4 hours of playtime.Long-lasting comfortWeighing 9oz (260g), Life Tune is lighter than standard active noise canceling headphones. The earcups and headband feature memory-foam padding covered in soft protein leather to provide all-day comfort for your ears and head.