[Comfortable Fit via Ergonomic Design] With lightweight design and ergonomic shape that reduce the burden of the ear and guarantee a comfortable fit in any ear, even for women and children. You can even wear them comfortably while sleeping, exercising, commuting. Moreover, the earbuds come in a variety of sizes, allowing you to find the perfect ear caps for a personalized and supremely comfortable fit. [Unparalleled Sound Quality] Engineered newly upgraded 8mm speakers and TOZO OrigX 2.0 Acoustics Technology, our headphones accentuate bass fullness while ensuring that the vocals and high notes are natural and detailed, reproducing CD-quality sound. Prepare yourself for the ultimate immersive audio experience. [55 Hours of Battery Life] TOZO T10 offers you the freedom to indulge in thousands of songs. Single charge lasts 15 hours, and the total playtime with the charging case is 55 hours via USB A to USB C cable. It also supports wireless charging, allowing you to conveniently charge them without the need for wires or plugs. Rest assured, we have equipped them with ample power to accompany you on all your adventures! [IPX8 Waterproof] TOZO T10 wireless earbuds feature an IPX8 waterproof rating nano-coating on their internal components, providing solid protection against sweat and raindrops effectively, thereby extending the earbuds' lifespan, which are suitable for running, swimming, cycling and other various sports. [Latest Bluetooth 5.3] TOZO T10 utilizes advanced Bluetooth 5.3 technology and supports HSP, HFP, A2DP and AVRCP profiles, which greatly improves transmission speed and stronger connection stability. There is no delay or degradation in signal quality during music playback and calls. With a stable connection range of up to 15 meters, you can effortlessly control your music and phone whether you're at home, in the office, or on the go. [Customize EQ with TOZO App] Compatible with TOZO App, you can freely switch between 32 EQ modes and explore various styles of music. Personalize your listening experience by adjusting specific frequencies to bring you an auditory feast, plus you can adjust the touch settings yourself. [Designed for Portability and Lightweight] TOZO T10 Wireless earbuds are small and lightweight with a compact case, offering you a whole new wearing experience, making it burden-free on your ears to enjoy music with your earphone on the go. Plus, it also comes with a lanyard, allowing you to easily carry them without worrying about occupying space in your bag or pocket.