【Open-Ear & Innovative Bluetooth 5.3 for Technological Advancement】These completely wireless earphones, employing innovative technology, don't block your ears, allowing you to be aware of your surroundings even outdoors, making them safer. They are suitable for exercise, housework, and walking on the road. Because they don't block the ears, they don't damage the ear canal and won't cause pain even after long periods of wear. Equipped with advanced Bluetooth 5.3, these wireless earphones have a stronger signal and a longer transmission distance of 15m, compatible with iOS/Android. The faster data transmission speed also reduces latency. 【ACS 360° Stereo Sound Effect & 16.5mm High-Quality Driver】Equipped with ACS surround sound technology, you can enjoy immersive music with three-dimensional sound. It also enhances the immersion in games. Featuring a large 16.5mm driver, it balances the bass and treble well, and while not blocking the ears, it achieves excellent HIFI sound quality performance, providing clear, three-dimensional sound, and allowing you to enjoy the immersion of music. 【Directional Sound Transmission Technology & Easy-to-Use Touch Sensor】Equipped with directional sound transmission technology, the sound transmission is concentrated in the sound hole, which can more effectively reduce sound leakage. With a light tap of your fingertips, you can operate it with one hand anytime, anywhere. These open-ear wireless earphones can play/pause music, answer/reject calls, skip tracks, adjust volume, and activate voice commands/Siri. The operation is clearer. 【ENC Call Noise Cancellation & 58H Continuous Playback】Designed with a main microphone for voice input and a secondary microphone with a noise filter, it can detect ambient noise and reduce it. It suppresses ambient noise during calls and delivers clear audio to the other party. Utilizing fast Type-C charging technology, the transfer speed is about twice as fast as traditional Micro USB. It can play for 8 hours on a full charge, and with the charging case, it supports up to 58 hours. You can freely enjoy music, movies, games, and calls.