For easier way of using,please read the following instructions: One Ear Mode: Use either of the two earpieces separately. It?s just the traditional connecting way. Choose one earpiece, press and hold the button until it says ?Power On. Pairing?. Enter the Bluetooth settings on the smartphone and search for either ?QCY-Q29_L? or ?QCY-Q29_R? to get paired until you hear ?Pairing successful. Connected?. Dual Ear Mode/Stereo Mode: 1. Put the right earpiece into right ear. Press and hold the button on it until it says ?Power On. Pairing?. Pair it from the smartphone with the name of ?QCY-Q29_R? until it says ?Pairing successful. Connected.? 2. Put the left earpiece into the left ear. Press and hold the button on it and release until it says ?Power On.? Wait around 5 seconds. You?ll hear the left earpiece says ?Connected?. Right earpiece says ?Second device connected?. Then ?Left Channel? from left and ?Right Channel? from right. Then you got the pair successfully. Enjoy the True Wireless Earbuds for fun. Want to try the ADVANCED way? 1. Switch on and Pair the right earpiece with smartphone. 2. Press and hold the button on right earpiece to switch it off. 3. Put both right and left earpieces into both ear canals. Simultaneously press and hold the buttons on both the earpieces and do not release before you hear ?Connected. Left Channel. Right Channel.? This process may take around 8 seconds or so. Later you?ll hear ?Second device connected.? from the right earpiece, which means the pairing between earpieces and smartphone is done.