This compact hand held digital caller has all of the features of a much more expensive model. 64MB internal memory comes pre-loaded with 16 of the best predator calling sounds. The MP3 is the only call made that can manually drive our All Call motion decoy, without producing a sound! Five conveniently placed buttons allow for easy on and off, sound selections, volume control and independent decoy motion control, right at your finger tips. The sixteen pre-loaded sounds consist of coyote, jack rabbit, cottontail, woodpecker and fawn in distress calls. Built in speaker creates up to a 90db for quality sounds without distortion. In addition to the included calls, just add an SD card and download your own favorite calls to calling sequences. USB cable is included. Select calls from our web sight or use sounds from many of the top callers. Will accept an external speaker. Requires a 9-volt battery (Not Included). SD card (Not Included).