NOTE: These are REPLACEMENT remotes for the Gerbing 3V Insoles.Re-pairing 3.7V Batteries to remote.Connect the fully charged 3.7V batteries to a 3.7v heated item.Press & hold the power button on the battery for 7-10 seconds, or until the LED lights on the battery blink red.Press the power button on the remote for 1-2 seconds, or until the LED lights on the battery turn off.You should now be paired!