【Smart Dual LED Digital Display Charging Case】Caymuller wireless sports bluetooth earbuds charging case with dual LED display can clearly display the percentage of remaining power; the right side is the charging process assigned to each bud, there are 4 independent power consumption indicators, each represents 25% power of the earbud. During the charging , the LED indicator light will flash, and once the earbuds are fully charged, the LED indicator light will not flash. | 【Bluetooth 5.0 & Easy Pairing】With advanced Bluetooth 5.0 technology, it can provide clear and stable connection without worrying about interrupting calls or listening to music. When you remove the headset from the charging case, they will be paired automatically, and then enter your phone's Bluetooth settings to search for "DT16" to connect. If you want to use a single headset, you only need to take out one of the two modes: single-ear mode and binaural mode. | 【48 hours battery life with charging case】The battery life with charging case is 48 hours. With the built-in 600mAh charging case, you can charge the headphones 6 times and get 1 hour of playback time in 15 minutes, so you can enjoy music all day long. No need to worry about the battery even on short trips. | 【Designed for Sports and IPX5 Waterproof】Equipped with 3 pairs of ear cups and adjustable ear hook design to fit your ears firmly. When running or doing other outdoor activities for a long time, you can fix them on your ears without ear discomfort. IPX5 waterproof protects your headphones from water drops or sweat damage. | 【One-Button Control&Stereo Sound Quality】One-Button touch, convenient and easy control to answer/reject calls, play/switch music,voice assistant. The wireless headphone has built-in high-quality audio chips and 8mm dynamic speakers,and the sound is more delicate.The upgraded microphone allows you to have clear and loud sound conversation even in noisy environments.It is also equipped with the latest noise reduction technology,bringing you 3D deep bass stereo,making you immersive. | 【Satisfied Service】We povide 24-hour online support and 3-year warranty on this wireless earbuds. If any questions, you can contact us. 100% satisfaction.