Adjustable and comfortable design Sturdy head beam with swift adjustment to fit a wide range of head circumferences Lightweight, secure fit designed for extended wear without fatigue Stereo headset for clear, private sound Skinfriendly protein leather ear cushions with a smooth texture Breathable sponge inner for comfort during long use Effective sound isolation with no leakage, suitable for focused work Telescopic and foldable construction for versatility and portability Telescopic arms adapt to different head shapes Foldable design for compact storage and easy transport Compatible with cellphones and use as a general headset Foldable design with longlasting battery Builtin largecapacity battery for extended use Standby time up to 360 hours Use scenarios Office and remote work: clear communication during calls and online meetings with reliable sound isolation and comfortable allday wear Commuting or travel: compact, foldable design makes it easy to carry in a bag while staying ready for calls or media playback multimedia and cellphone use: comfortable ear cushions and secure fit for long listening sessions with compatible cellphones