[Cutting-Edge Bluetooth 5.3 and Effortless Pairing]Thanks to the advanced Bluetooth 5.3 capabilities, the bluetooth earbuds transmission range of up to 30 feet, ensures a more stable connection, shorter delay, and lower energy consumption during data transmission. This wireless earbuds has a built-in hall effect switch, the first time you turn them on, the wireless earphones automatically go into pairing mode, then they automatically pair with the last device you used.[Upgraded 40H Playtime and LED Power Display] A single charge of the I53 bluetooth earphones provides 8 hours of playback, the stylish and compact charging case provides an extended charge when you need it, up to 40 hours of playtime. The dual LED battery indicators on the charging case keep you informed about the status of both the wireless headphones and the charging case. USB-C charging port ensures faster and safer charging, ensuring a day-long musical experience.[Immersive Stereo Sound and Clear Calls]These wireless bluetooth headphones feature a high-quality 14.2mm dynamic driver, providing four times the driver area of regular drivers. This design produces powerful bass, rich mid-tones, and crystal-clear highs. Ear buds worked great for phone calls, thanks to the 4 ENC-noise-canceling microphone that keep your voice sounding exceptionally clear. You can enjoy your personal space whether you are indoors, outdoor, work or exercise.[Comfortable Design for Active Lifestyles] The pocket-sized charging case takes up minimal space, and the ergonomic design of the sport in-ear earbuds ensures pressure-free wear. The earbuds wireless bluetooth follow the contour of the ear with an arc-shaped structure, offering a comfortable fit that stays secure during activities like running and workouts. The ear buds wireless earbuds are IP7 waterproof, which means they can take dust, rain, and some light sweat without breaking.[Convenient Buttonless Touch Control and Wide Compatibility] I54 headphones' supports dual ear touch control, providing convenient operation on volume control, previous/next song, pause and answer calls along as well as voice assistant control. Whether you're exercising, driving, or running, your hands are completely free. These wireless headsets are compatible with most Bluetooth-enabled devices, including iOS and Android smartphones, TVs, computers as well as laptops.