Clever hand-held device features 10 selection buttons, 3 AAA batteries (included), a jack for earphones, and both the YardBirds Series One song card (rock dove, mourning dove, downy woodpecker, northern flicker, American crow, black-capped chickadee, white-breasted nuthatch, house wren, American robin and northern mockingbird) and the YardBirds Series Two card (common yellowthroat, European starling, northern cardinal, song sparrow, red-winged blackbird, brown-headed cowbird, Baltimore oriole, house finch, American goldfinch and house sparrow).
