I used it once and then stored it. There are no noticeable scratches or stains. Yu-Pack Anonymously Delivered z4 Over-Ear Headphones Wired & Wireless Dual Use Bluetooth 5.3 Closed-Back Stereo Headphones HIFI Sound Quality Over-Ear Headphones Built-in Microphone Hands-Free Calling Leakage Prevention 12H Continuous Use Foldable Japanese Voice 3.5mm Cable Included Lightweight Music/Movies Brand: Shanly 【Reduces Ambient Noise】 Equipped with "Hybrid Noise Canceling" technology that reduces surrounding noise and noise in the city, trains, airplanes, etc., achieving a noise reduction effect of up to 80dB. You can enjoy music comfortably even in noisy environments. By reducing noise, you can hear the music more easily without increasing the volume. Equipped with an external sound capture mode, it is convenient to have an "external sound capture function" that captures the surrounding sounds when using it outside, such as commuting to work or school, or taking a walk. 【Excellent Fit】 The stereo headphones use 90mm wide over-ear pads and a soft cushion material, which firmly wraps the ears while being flexible and breathable, reducing the burden during long-term use. The main unit weighs about 200g and is lightweight, and it is comfortable to wear even for long periods of time. Designed based on ergonomics, with a 3cm extendable slider and adjustable ear pads, it can completely cover the entire ear. 【Long-lasting use with one charge】 Our headphones have a built-in large-capacity battery, which can be used continuously for about 12 hours with a 2-hour charge, so you can use them all day long without worry. A microphone is built-in, and you can answer incoming calls by pressing the button on the headphones. Since both hands are free, it can be used in scenes such as remote conferences and online classes. 【Multi-function buttons】 The headphones have multi-function buttons, so you can easily adjust the volume, answer/reject calls, switch songs, and switch EQ modes. (Built-in microphone, EQ function, and buttons only work in wireless mode) TJ4300080