Casio Casiotone MT-35 Electronic Keyboard. No Power Supply

A vintage Casio Casiotone MT-35 electronic musical instrument, manufactured in Japan by Casio Computer Co., Ltd. The unit features a white plastic casing housing a 44-mini-key keyboard and an integrated speaker grille on the left side. The control panel consists of three grey sliders for accompaniment volume, tempo, and main volume, plus orange push-buttons for four rhythm patterns including Rock, Swing, Bossa Nova, and Waltz. Six yellow-orange push-buttons allow for tone selection between Piano, Elec. Piano, Organ, Oboe, Clarinet, and Vibraphone. Additional interface elements include a Casio Chord toggle switch, a start/stop button, a demonstration button, and a power slide switch. The rear panel provides a 3.5mm output jack, a DC 7.5V power input, and a recessed dial for fine-tuning. The item is marked CASIO and Casiotone MT-35 on the front, with a technical specification label on the reverse stating the power requirements and origin.