【Stable Connectivity with Bluetooth 5.3】Equipped with the new generation Bluetooth 5.3 chip technology, battery life and connection stability are significantly improved compared to the previous generation Bluetooth 5.0 chip. Interference prevention makes it less susceptible to radio waves emitted from other Bluetooth devices, reducing sound skipping even in busy downtown areas. It maintains a good balance between sound quality, low latency, and connection stability. 【Instant Connection】With the instant pairing function, once the initial pairing is complete, the earphones connect instantly when taken out. Excellent compatibility with iOS, Android, Windows smartphones, tablets, etc. 【Freely Switch Between Single-Ear and Dual-Ear Modes】With innovative fully separated technology, the left and right sides are also wirelessly connected, with no cables used at all, and the left and right earphone units are separate. Simply taking out one or both earphones will easily accommodate your needs. 【φ14mm Large Drive Unit & HIFI High-Quality Sound】Equipped with a large 14mm driver, it supports high-resolution sound quality technology that upscales compressed sound sources such as CD sources and MP3s, as well as streaming services such as music and videos to the equivalent of high-resolution audio. It supports high-quality music formats such as AAC and SBC, has high sound insulation, and supports an equalizer that optimizes according to the volume, allowing you to enjoy high-quality sound at any volume. 【CVC8.0 Noise Canceling】Reduces environmental noise by up to 42dB, allowing gamers to communicate more freely. You can enjoy music without being disturbed, even on crowded trains, in plazas, cafes, or libraries. 【Built-in Directional Microphone】The stick-type design makes it easier to bring the microphone closer to your mouth, realizing clear voice calls, and is also useful for telework and web conferences. 【50-Hour Powerful Battery Performance & LED Remaining Battery Display】Equipped with a long-lasting battery that allows for approximately 4-6 hours of continuous music playback from a full charge. Using the included charging case allows for approximately 50 hours of use. In addition, with rapid Type-C charging, these earphones can provide approximately 1 hour of continuous music playback with about 10 minutes of charging. Recommended for those who want to use completely wireless earphones for long trips or business trips.