For NC25:【Digital Active Noise Cancelling Technology(ANC)】Professional advanced noise cancellation silences up to 90% of machine noise. Cancels noise from aircraft, subways, cars and crowds,so you can focus on what are you doing. (Kindly Note:it’s NOT 100% noise cancelllation,Human talking CAN NOT be elimated and ANC is less effective in quiet environments).ANC Works well both wired and wireless
For NC25:【50+ Hours Music Enjoyment】A built-in 1000mAh battery won’t allow your headphones power off, you can enjoy your world without noise for 50 hours’ long time with a single charge.or plug in 3.5mm stereo audio cable to prolong using time when battery is low
For NC25: Unique Foldable Lightweight Design.The professional protein ear-pads and 115° swiveling ear-cups with superb LIGHTWEIGHT only 0.4 lb and the durable foldable design for carrying and traveling
For Earpads: Same Design/Material as Orginal:Fit for Srhythm NC25/NC35 model ONLY. Long term & Crack-free Durability:Professional-grade protein leather & memory foam & high precision sewing in Texture,waterproof,vermin proof
For Earpads: Skin texture,All-day comfort:Upgraded Soft Ear Cushions for Comfort with The professional memory protein earpad and 110 swiveling earcups, the Skin texture, lightweight comfortable around-ear fit you can wear all day long. Easy to Install:Please read the included instruction carefully before replacing the earpads