Whenever you are relaxing, running, reading or doing all other activities, you can enjoy music, other audio output and even phone calls with this high sound quality bluetooth wireless earphone. The advanced bluetooth 5.0 technology ensures quick and stable connection. The automatic system provides you with an excellent experience for connecting with your devices. All you need to do is just paring it once, and next time leaving it to auto connection. The high capacity portable charging case is convenient to carry and can charge the earphones anytime. This device is perfect for both indoor and outdoor activities.