1) Remove the left unit from the charging cradle. when powered on automatically, turn it off by pressing and holding the button for 5 seconds. * Please make sure the right unit is placed in the charging cradle. 2) Press and hold the button for 7 seconds to enter pairing mode. (You can hear "Pairing Mode" when the earbud enter pairing mode.) 3) Turn on Bluetooth function in Settings > Bluetooth 4) Tap CR5 Bluetooth R detected in Available Devices/Other Devices to complete the connecting * Please remove the one of earbuds to use from the charging cradle once paring each earbud. * Using both the earbuds simultaneously in single mode within close distance to each other is not possible. (They automatically enter dual mode.) * In the case of the earphones failing to connect automatically after pairing, please tap CR5 in Paired Device/My Device. * After pairing, using L unit only in single or dual mode is possible .