About this item Universal CompatibilityCompatible with a wide range of devices, including iPhone models from 17 to 11, as well as Samsung Galaxy S series, Note series, and other tablets and laptops. Using TimeOffers 7 hours of music playback, 5 hours of talk time, and 1.5 hours of charging time. The case includes a power display design. Comfortable WearingFeatures an ergonomic semi in-ear design made from lightweight materials, ensuring a comfortable listening experience without discomfort, ideal for daily use such as walking, working, sleeping, hiking, and gaming. Bluetooth 5.3Utilizes advanced Bluetooth 5.3 technology for a stable connection and faster pairing. The built-in intelligent DAC chip maintains high-resolution sound quality, with a larger speaker driver that delivers strong bass, clear mids, and bright treble for an enhanced music experience. Size: 3.54 x 3.54 x 1.34 inches.