High Sound Quality - Easily Re-recordable Sound Box - Wired Play Button - Record from Any Device with Audio Port Sound Box can be recorded from videos, sound files (any format), voice recordings, phone messages, etc No software required - works with any device such as Mac, PC, Iphone, Ipad, Tablet, Android, MP3 player, etc Re-recordable up to 180 seconds. Re-record as many times as you wish Operated by 3 AAA batteries (NOT INCLUDED). Once batteries die, replace them and unit will continue to play already recorded files. No re-recording required. Unit will play only one file