Equipped with a 10.0mm sounding unit, which has a powerful low-frequency dive and a delicate and soft mid-high frequency. They have a one-key control for multiple tasks. It can be used to control music playing on the connected device, accept/reject calls. Bluetooth 5.0 chipset, lower power consumption, more stable bluetooth signal, no delay when listen to music, watch movie, play games. 65ms low response latency keeps HD Gaming and Ahead of the Breakthrough. HiFi bass stereo amazing sound quality. Sensitive Smart Control, simple and multi functions including: Play & Pause, Switch Songs, Volume Control, Answer Phone Call, Wake up Voice Assistant. Universal design, it can used for iPhone, iPad, Android Smartphones, Tablet PC, Windows Smartphones, Notebook, etc. as long as devices has bluetooth function. Automatic power on/off, two Earbuds will pair with each other automatically when take out from charger box, it will turn off automatically and charging after put bac