Product Feature: Automatic pairing: 1. Take out the left and right (LR) earphones from the charging case.the ears will automatically turn on and connect (the red and blue light flashes altemately ). 2. Open the mobile phone Bluetooth search, click the main ear pair name t8 twsto connect. 3. They will automatically connect to your bluetooth device when you use again 4. This wireless earbuds also can be single connection. True wireless stereo, left and right channel separation, HIFI sound. Both the left and right ears have a full Bluetooth headset function, which can beused alone or in pairs. Dual Mode Bluetooth 5.0, ultra low power consumption. Bluetooth transmission distance: 10 meters. Listening to the song time: about 4.5 hours Standby time: About 300 hours. support protocol:A2DP/HFP/HSP/AVRCP package include: 1* Pair Of T8 TWS Wireless Earbuds 1* Charging Case 1* TYPE-C Cable 1* User Manual 6* Ear Tips 1*Carrying Bag