EN12Reset your HT10 go back to the stereo mode or if you canonly hear sound on either side:Step 1: Clear up “HT10-L” and “HT10-R” on the Bluetoothlist of your cell phones;Step 2: Turn ofi the Bluetooth in your cell phones;Step 3: Press and hold the power keys 5 seconds untilthe left and right earbud blinks white and blue alternately.