via this auction
"HAS MIC INPUT (1/4 JACK) SO THAT YOU CAN SING TO THE BEAT!
From the manual:
Rhythem generator is used for rhythm you want.
Inside its compact metal case there is rhythm pattern generator I.C and 10pcs of silicon transistor and 9pcs of diode.
It can also be used by professional player at home, outdoors and every circle, for it makes the general use of more 8 kinds ( Beguine, Bossanova, Rock, Swing, March, Waltz, etc. rhythm)
It formed with 5kinds of instrument of percussion ( Bass drum, Snare drum, Claves, Cymbal, High hat cymbals.)
BEGUINE - Originally west indies music, similar to 2/4 time slow folka,Jazz rhythm that motion to body just stand at one place.BOSSANOVA - Jazz rhythm adds the element of modern jazz to samba rhythm.
ROCK - Changed rhythm for the white American to dance lightly from the blue for the Black of S. A. Rock and Roll-that is ROCK 'N' ROLL, today called GO. GO.
SWING - Jazz rhythm of agreeable impromptu playing with light active rhythm.
MARCH - Generally March is Polka for fast tempo. TROT and slow tempo.
WALTZ - Original German old dancing music."
