[Comfortable to wear]: This headset does not use the traditional earplug design, it fits the contour of the ear, non-bone conduction will not vibrate the ear, and it will not make your ears feel pain when worn for a long time. $ [Easy to use]: Turn on the power and connect to the phone via Bluetooth. There is no need to pair again after the first pairing is successful. Using this device will not prevent you from listening to outside sounds, it is very suitable for running and business use. $ [Clear sound quality] Customized 6 cm neodymium speaker unit, with clear sound quality, high, middle and low 3 frequency balance, excellent performance for listening to songs and calls. $ [Upgrade Bluetooth 5.0]: Compared with 4.2, 5.0 can increase the transmission speed from 1Mbps to 2Mbps, and the transmission distance is increased by 4 times. Support HSP, HFP, A2DP, AVRCP. Within 10 meters/393 inches, you can enjoy music with stable signal connection. Supports 2 connections at the same time, with faster pairing speed and lower latency. $ [Multi-function button]: On/off, wireless connection, answering a call, hanging up, one-key redial, song switching. When restarting the connected smartphone, the headset can automatically reconnect. Using the built-in microphone, you can easily answer calls. It is both fit and comfortable, especially for people who don't like things in their ears or squash them.