Smart Charging Case & Touch Screen The case of the smart touch screen controls the volume of the earbuds and checks the charging status and time as well as finding the earbuds via the earbuds. You can also set an alarm on the screen of the charging case without having to take out your phone. With the unique smart charging case, you can enjoy a truly smart experience without using your phone. ACTIVE NOISE CANCELLING The LX30 noise cancelling headphones use intelligent active noise cancellation, so you won't be disturbed by ambient noise. You can switch between ANC Active Noise Control in transparent mode and normal mode. The quiet environment allows you to focus on what you want to do. STURDY FIT TO WEAR The ANC wireless headphones are worn in the ear, combined with ergonomic design to better fit the ear canal, and are very lightweight. The soft silicone ear caps do not put pressure on the ears. There are also 3 sizes of silicone earplugs for perfect fit and sound to block out noise and provide fantastic music enjoyment. 25 Hours Battery Life & LED Digital Display Wireless Bluetooth can listen to songs for 4-5 hours on a single full charge, and provide 25 hours of battery life with the 320mAh charging case, which meets the demands of all-day listening. Avoid the embarrassment of the headphones running out of power. Latest Bluetooth 5.4 & Fast Pairing The wireless earbuds are equipped with the latest Bluetooth 5.4 technology, the transmission speed is faster and the range is larger. Bluetooth earbuds use DSP, enhance anti-interference, so you can enjoy a fast and smooth wireless music experience.