Long-term playback: Built-in large capacity allows continuous playback for up to 8 hours. If you fully charge the earphones alone, you can play for more than 8 hours, so you can enjoy music without worrying about time while commuting to work or school. You can play for over 45 hours when combined with the charging case, which is convenient because you can use it for a long time without charging. It supports quick charging, which allows you to play for over 180 minutes with just 15 minutes of charging, so even if you forget to charge it, you can easily charge it while getting ready. 　　　　　　　　　　　　　 　　　　　　　　　　　　　 Bluetooth: Adopts the latest Bluetooth version 5.3 for fast and stable connection. These earphones are compatible with the Bluetooth 5.3 high-performance chip that allows for stable connections, so they have improved energy efficiency and connection stability compared to previous versions, making it less likely that the sound will drop out and allowing you to listen to music comfortably even when there are people around you. It also reduces consumption, making it suitable for long-distance travel. It supports industry-leading Bluetooth 5.3 & AAC/SBC codec, so you can enjoy high-quality sound on various devices from iPhone to Android. 　　　　　　　　　　　　　 　　　　　　　　　　　　　 Waterproof design: resistant to rain and sweat, perfect for sports and outdoor activities. It has waterproof and drip-proof performance, which prevents damage from sudden rain or sweat during exercise, making it easy to use even in sweaty sports situations. Whether you're out on the go, commuting to school or on a business trip, or using it at home while working from home or in a meeting, you'll always have a stable connection and don't have to worry about interruptions! 　　　　　　　　　　　　　 　　　　　　　　　　　　　 Noise canceling function: Effectively reduce external noise and achieve clear sound quality. Equipped with a high-performance ENC noise canceling function that claims to be able to reduce up to 35dB of noise, the earphones remove noise and wind noise and concentrate on picking up only your voice, while digital signal processing technology emphasizes specific signals to enable clear calls in all directions. When watching movies, the left and right channels bring you the expressiveness of space, allowing you to enjoy the ultimate experience! Equipped with a low distortion driver that delivers dynamic live sound. These wireless earphones are tuned by a sound master, and reproduce lively and well-balanced sound with nuances in detail, transparency, and depth. Change to an immersive sound that makes you feel like you're one with the music. 　　　　　　　　　　　　　 　　　　　　　　　　　　　 Equipped with a built-in microphone: You can hear the other party's voice clearly during calls, and you can make hands-free calls. Both earbuds have built-in highly sensitive and omnidirectional microphones that cover 360° and can capture clear human voices, as well as being useful for live recording of sound effects. It can be used...