Product Features World leading ANR™ technology cancels 92%1 of unwanted background noise Precise sound reproduction with deep bass, clear vocals & natural highs Music playback possible with & without battery Full sized cups with ultra comfortable ear pads Voice calls from PC, Mac & iPhone supported Technical Details World leading ANR™ technology cancels more than 92%1 of unwanted background noise enhancing fidelity & sound quality Electronically enhanced drivers deliver a precise sound experience with deep bass, clear vocals & natural highs Ultra soft leatherette ear pads provide the ultimate in long wear comfort Single AAA battery provides more than 50 hours active noise cancellation Music playback possible with & without battery Headphones fold flat & cable detaches for compact storage in luxury carry case provided Cables included for voice calls from PC, Mac & iPhone Designed for those unwilling to compromise on quality & performance M16 headphones have been expertly crafted from advanced materials & assembled to the highest standards of workmanship. M16 headphones are the ideal companion for those who believe that fidelity is essential form & function a prerequisite.