Master the sounds as you practice with your manual game call, or fine-tune your calling by mimicking these sounds in the field. These 5-call recordings may also be used to lure game in close (check local laws). Easy to operate. Features: True sound recordings with clear and accurate tone, pitch and rhythm, light and compact for handheld use, Simple pushbutton sound activation, One-finger selection for close-in calling, Dial volume control, Quick playback for teaching, Belt clip, Natural Bark camo finish, Uses 3 AA batteries (included). Calls - Bull reply, aggressive bull, bull grunt, mating moose, sparring bulls.