In the first time, take out 2 earbuds from charging case or any single earbud, and search [S8] to connect with your device. After it, when take out 2 earbuds from charging case or any single earbud from charging case, they will connect automatically Triple-click one earbud to wake up & One click to turn off. What Should Be Pay Attention to? 1.Working temperature: -10℃- 60℃ & Transmission distance: 15m 2.CAN wear them to shower, bath, swim. DON’T dip earbuds than 1H.