Wireless Charging Case and One Step Pairing: The charging case supports wireless charging and USB Type C Cable to charge.Provide a convenient charging method without any additional conditions; Just remove the wireless earbuds from the charging case, and the bluetooth headphones will automatically turn on and pair with the phone. | Lightweight and Stereo Sound: Features an ergonomic design, wireless earplugs weighs only 4 grams;And built-in microphones.And has a clear treble and balanced bass.Experience music, movies, calls and more way. | Digital Screen and Smart Touch Control: The charging case has a battery LED display, so you can know when is the charging time for the charging case (The charging case only displays the battery level of the charging case); You can use bluetooth earphones to achieve +/- volume, play the next/previous song, answer/reject calls and other functions. | 30H Play back: The Bluetooth earphones can be used for 6H play back (only 1.5-2 hours of charging is required). The mini portable charging case is a mobile power bank that can charge the headphones 3-4 times, which means it has 24 hours of continuous play back time. So you have a total of 30 hours of usage time. | Waterproof: Nano-coating prevents water and sweat from penetrating and damaging . The wireless earbuds are design for sweat, good for sports and physical activities, inside the gym or outdoors.