You can use a carpet mat or noodles mat. noodles mat is best . Or you can use 7d mat it's look more premium . You can choose mat according to your money.
Mute button is play and pause button in usb, cd mode.. Fm,am, bluetooth does not have a play and pause option. You can try it play a usb song and note down the timeframe and mute it unmute after five seconds an the timeframe is same.
