gPowerful bass performance: Upgraded 4mm dynamic drivers deliver high fidelity sound, clearer than CD quality with richer bass.Easier Connection: Open the charging box cover and the earphones will automatically connect to your paired Bluetooth devices. Bluetooth 5.0 technology creates a stable connection between your device and wireless headphones for skip-free sound, even in crowded spaces.Long Battery Life: Headphones play Hi-Fi stereo sound for up to 5 hours on a single charge. There's an extra 20 hours of use in the compact charging case that charges quickly over USB-CSuitable for all conditions: IPX5 water resistance to resist perspiration during intense workouts and all weather conditions.Clear calls: Improved call clarity in busy or windy areas.Use only one earphone (Single Earbud Mode): The two headphones can be used alone as a Bluetooth hands-free kit.Support for voice assistant: Triple-tap one of the earbuds to access your phone's assistant.Touch Control: A sensitive and tactile panel on each earbud allows easy music control and call management.Portable case: The ultra-compact charging case protects your headphones and holds 4 additional charges.