Features: Comfortable to wear even for a long time. Let you enjoy the superior sound quality. Support binaural communication, deep noise reduction function. BT 5.0, faster and more stable. IPX4 waterproof and dustproof, single and double ears are free to wear. Automatically pair, power on after taking out from the charging-box. True wireless-BT headset, left and right channel separation, automatically connected, can be used separately. One button control easily to turn on/off, play/pause/switch music, hands free calling to driving, working, meeting, running. One to two connections, can be connected to two mobile phones at the same time. Intelligent compatibility: support all BT mobile phone, tablet, notebook, QQ music, movies, etc. Support one button to wake up voice assistant.