... , pause, speed up, rolling back and volume control button.3)Long endurance. Only with 2*AAA batteries, transceiver ... adjust the volume all with the touch of a button! Well, and a volume dial on the side. ... has got your back. Press the multi-function button at the top of the transceiver when you have ... for talking on your phone. Just hold the top button down when you receive a phone call and you can ...