About this product: 【Latest and Mature Bluetooth 5.4 Technology & Low Latency】: Adopting the cutting-edge Bluetooth 5.4 team, power saving and connection stability have been significantly improved. It plays high-resolution sound sources equivalent to high-resolution audio, such as CD sources, compressed sound sources like MP3, and streaming services for music and videos. 【Up to 38 Hours of Playback & Luxurious LED Display】: Equipped with an LED power display indicator, it is displayed with luxurious numbers, allowing you to easily check the remaining battery level at a glance. It is displayed with LED lights, making it more stylish than before. With an energy-saving design, the playback time of the wireless earphones alone is approximately 9 hours when fully charged. 【More Comfortable & Excellent Fit Than You Can Imagine】: Ergonomically designed for a comfortable fit, the earphones are ultra-small and lightweight, with no discomfort or pressure on the ears, and can be worn comfortably and stably without falling out even after long hours of use, and do not cause ear fatigue. 【Pairing Recognition & Instant Connection】: After pairing with your smartphone for the first time, when you use it again, simply take the earphones out of the charging case, and they will automatically pair. Also, you can easily switch between single-ear and dual-ear use of the left and right headphones. With the touch function, you can lightly tap with your finger to recognize basic operations such as skip forward/backward, play/pause music, answer/end/reject calls, power on/off, and volume adjustment. 【IPX7 Waterproof Performance & Wide Range of Applications】: With waterproof performance, you can use it even if it suddenly rains during your commute or if you sweat during sports. It is applicable to all weather conditions. It is also perfect for jogging, running, yoga, sports, gym, cycling, and other activities. Adopting the cutting-edge Bluetooth 5.4 team, power saving and connection stability have been significantly improved. 【Type-C Fast Charging】: The charging case uses a Type-C port, so the charging speed is significantly faster than the conventional USB. Even if you forget to charge, you can easily charge it while getting ready. You can charge it with a compatible charging adapter using the included Type-C cable. The numbers on the LED display clearly show from 0% to 100%, and you can see the remaining charge of the charging case and the charging status of the earphones at a glance, anytime, anywhere! 1126