For Parts or Repair Only. Does Not Include Power Cord. Does Not Include Battery Cover. Has Multiple Scratches and Marks. Has Normal Wear and Tear. Please See Pictures for Condition. The Sanyo M7900K Mini & Slim Boombox is a compact, portable stereo radio from the early 1980s, known for its high-quality build and functionality. Here are the key specifications. Dimensions : 16.5 x 6.1 x 3.5 inches (420 x 155 x 90 mm). Weight : 7.3 lbs (3.3 kg). Power Source : Can run on six 1.5V batteries (9V total) or be plugged in using a power adapter (120-240V, 50/60Hz). Speakers : 4 built-in speakers. Shortwave 1: 2.2-7.2 MHz. Shortwave 2: 7-22 MHz. Cassette Recorder : Features a built-in cassette recorder/player. Other Features : Two electret condenser microphones, external speaker/headphone jacks, and dual telescopic antennas for improved reception.