Up to 40dB ANC Equipped with a powerful ANC chip, bringing up to 40dB hybrid noise cancellation capability. 3-mic noise cancellation for calls: clear calls even in noisy places. 3 ANC Modes Light mode for relaxing in the cafe ,Balanced Mode for walking in the park ,Deep mode for Noisy subway commute. Dual Transparency Modes In transparency mode, you can stay alert of your surroundings without taking out the earbuds. It also supports voice enhancement to keep voice frequencies clear, making it easier to chat with friends in noisy environments. Dual-magnetic Dynamic Driver Dual-magnetic dynamic driver, the three wide frequency bands and sensitive transient response gives you more detail. Hi-Fi Level Sound Quality Xiaomi Audio Laboratory professional tuning, according to physical acoustics and psychological acoustics for detailed frequency response curve tuning. Wearing headphones, as in a professional recording room 32 Hours Long Battery Life With the lower power chip ,The battery life lasts for up to 7 hours for single earphone use and up to 32 hours with the charging case. The music can keep you company for even longer. Dual-device Connectivity It can be connected with two devices simultaneously. The devices include smartphones, tablets, PCs, and other smart devices. Pressure Operation Press the force sensor feeling like a solid button, effectively avoid mis contact or delay, press can get accurate feedback, easy to switch mode, pause music and other functions control. Comfortable & Secure Wearing 4.6g lightweight each earbud body, ergonomic design. Focus earbuds design around tragus, antitragus and cavum conchae for comfortable and secure fit. IP55 Rated Dust and Water Resistance It is rigorously designed and certified IP55 dust and water resistant. Worry-free listening while sweating at the gym. Supports Wireless Charging It is compatible with Qi-certified chargers.