About this item [Stable Bluetooth 5.3 Connection] Adopting the latest Bluetooth 5.3 technology and superior acoustic components, ensures faster and more stable connection. Wireless headphones offer up to 30ft Bluetooth range in open space and 10ft in obstructed areas. [Up to 16 Hours of Playtime] These Bluetooth headphones deliver 16 hours of superior audio performance, providing excellent long-endurance experience. Recommended to use the included USB-C cable for fast charging. [Ergonomic Design for Sports] The ergonomic design offers a comfortable and secure fit that doesnt protrude from your ears, making them ideal for sports, workouts, and gym activities. Equipped with 4 pairs of ear caps to ensure a snug fit and effective noise cancellation. Move freely without worry. [Stereo Sound Quality] Powered by an 11mm dynamic driver and in-ear acoustic structure, these wireless headphones present a powerful and wide sound range, enriching the dynamics of treble and enhancing the bass. [IPX7