Bluetooth 5.3 & One-Step Auto-PairingThe wireless earbuds feature the most advanced Bluetooth 5.3 technology, providing you with 2x faster transmission speeds (80% higher than the previous generation) and a more stable connection with virtually no delay. Whether you are making a call or exercising, there is no need to worry about signal interruptions. After connecting the Bluetooth earbuds for the first time, simply open the charging case and the earbuds will automatically connect to your phone.120 Hours Playtime & LED DisplayThese Bluetooth earbuds provide up to 6-8 hours of high-quality sound output after a single 1.5-hour charge, and the included charging case provides an additional 4 charges for a total of 120 hours of playtime. They feature a smart LED digital display that allows you to easily monitor the battery consumption of the wireless earbuds and charging case, so you know when to charge them. You don't have to worry about battery life even on long trips.IP7 Waterproof & Wide CompatibilityThe wireless earbuds use IP7 nano-coating technology to seal the surfaces of both earbuds and prevent sweat or rain from entering. The internal nano-coating prevents moisture in the air from damaging the components. Allows you to use the earbuds in any weather and workout situations, making them an ideal companion for running, yoga, cycling, and more. The in-ear headphones are compatible with most Bluetooth-enabled devices.Excellent Clear Calls and Immersive Stereo SoundThese music headphones come with a 13mm speaker and a triple-layer composite diaphragm, which delivers powerful bass, stunning highs, and clear mids. These earbuds are designed for sound and music lovers. It can support both mono mode and dual stereo mode, and you can share the earbuds with friends and family. Each earbud has a built-in microphone for making calls.All-Day Comfort and Ultra-LightThe Bluetooth earbuds weigh about 0.15 ounces and feature a semi-in-ear ergonomic design, providing a comfortable and snug-fitting wearing experience that you will hardly notice when you are immersed in music. The ultra-small charging case designed for the wireless earbuds allows the charging case to fit comfortably in your hands and pockets, allowing you to easily store the earbuds wireless Bluetooth earbuds and carry the earbuds with you.