COMFORTABLE WEARING & EASY PAIRING : Three-point support, semi-in-ear style, ergonomic design, very comfortable to wear, and very suitable for use. Using the most advanced Bluetooth 5.1 technology, take out the headset from the charging box, justone step to easily enter the Bluetooth design of the mobile phone to pair the earplugs, and the operation is simple IPX7 WATERPROOF :The motherboard is waterproof, which is more stable than ordinary motherboards. Suitable for sports, very suitable for sweating profusely in the gym,Splashes and sweat will not damage the earbuds. [Note] Swimming is not supported SMART LED DISITAL DISPLAY & Touch Control: In the smart LCD digital screen, the battery consumption can be checked at any time. With the function of touch control sensor, when you touch the buttons of various functions, the pressure on the ears isminimized HIGH-FIDELITY STEREO SOUND QUALITY : Provides truly natural, authentic sound and powerful bass performance, the perfect balance of deep bass surround and clear treble, providing you with the highest fidelity, stereo surround music experience COMPACT USB CHARGING CASE :The portable charging box has a fast charging function. The large-capacity battery can charge the wireless earbuds multiple times. Not only that, it can also charge your mobile phone through the USB interface, an indispensabletool when traveling or working