①Closed-back around-ear headphones reduce unwanted background noise for your comfort. ②Lightweight, easy on-the-go storage. ③High clarity throughout the extended frequency range with deep and tight bass response. ④The earmuffs are designed to surround the contour of the ear, which has a good sound insulation effect in a noisy environment. ⑤Designed to fit more users` head shapes for a soft fit. Bluetooth 53 technology for a stable, lowlatency wireless connection Handsfree calling with a builtin microphone for clear conversations Compatible with a wide range of devices including compatible with Samsung Galaxy S23/S23+/S23 Ultra, S22/S22+/S22 Ultra, S21/S21+/S21 Ultra, S20/S20+/S20 Ultra, Note 20/Note 20 Ultra, Note 10/Note 10+, compatible with iPhone 11/12/13/14 Pro Max, Pixel 7, and Pixel 6 Impressive HiFi stereo sound with 13mm drivers for deep bass and clear mids Ultralight design at only 3g, ensuring comfort during extended wear