Wireless Earbuds, 38-Hour Playtime, Bluetooth 5.4 Technology, LED Display, Small/Lightweight, IPX7 Waterproof, Bluetooth Earphones, Instant Connection, Hi-Fi Bluetooth Earbuds, Type-C Fast Charging, Bluetooth Earphones, Compatible with iPhone/Android/Pad, Suitable for Sports/Commuting/School/Web Conferencing No. 2373 【Latest and Mature Bluetooth 5.4 Technology & Low Latency】: Adopting the latest technology, power saving and connection stability have been significantly improved. High-resolution sound sources equivalent to Hi-Res, such as CD sources, compressed sound sources like MP3, and music and video distribution services, can be played. The lag between video and audio during video viewing is also significantly reduced compared to conventional models, allowing for smooth gameplay and video viewing. High sound insulation minimizes sound leakage, making it especially recommended for those who are particular about sound quality, such as for online classes, teleconferences, and calls. 【Up to 38 Hours of Playtime & Luxurious LED Display】: Equipped with an LED power display indicator, displayed with luxurious numbers, allowing you to see the remaining battery level at a glance. Displayed with LED lights, it has become more stylish than before. With an energy-saving design, the playtime of the wireless earphones alone is up to about 9 hours when fully charged. 【More Comfortable Than You Imagine & Excellent Fit】: Ergonomically designed for a comfortable fit, the earphone body is ultra-small and lightweight, without any discomfort or pressure on the ears, and can be worn comfortably and stably without falling out even after long hours of use, and does not tire the ears. These Bluetooth earphones are small in size, easy to fit in a bag or pocket, making them very convenient to carry. 【Pairing Recognition & Instant Connection】: After pairing with your smartphone for the first time, when you use them 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 touch controls, you can lightly tap with your finger to skip forward/backward, play/pause music, answer/end/reject calls, turn on/off, adjust the volume, and other basic operations. 【IPX7 Waterproof Performance & Wide Range of Applications】: With waterproof performance, you can use them even if it suddenly rains during sports or commuting, or if you sweat during sports. 【Type-C Fast Charging】