Features: Threadless earphone is more flexible and convenient, avoid earphone cable winding. Intelligent electric quantity figure display, convenient to cha-rge. Master/slave switch design, left and right earphones can be used separately. Hand fingerprint operation, sensitive reaction speed, no delay, easy to operate. After the cover is opened, the headset will automatically turn on and connect again, with memory preservation function. BT5.0 connection, signal range and transmission speed can be increased up to 3 times without delay. The connection signal is stable and anti-interference ability is strong. Intellignet noise reduction, 9D stereo sound, restore high definition voice quality. IPX5 protection level, daily waterproof and anti-dust. Ergonomic design, fit ear profile, lightweight is comfortable wear. Support intelligent voice assistant one-key awake, smooth and quick no delay. Large capacity recha-rgeable case, Type-C port. Wide application in daily life, driving, listening to music, exercising, playing games, watching videos.