It is a Sony portable music player with four functions: CD Player, Radio, Cassette Player, and Cassette Recorder.It has two detachable Mega Bass sound systems at either side. It is approximately 14 pounds, 12 ounces and 25' 7/12" x 10' 7/16" x 10' 1/13". It also comes with a remote. The model number is CFD-ZW755. The product is not old, but not one of the newest models. In other words, it is somewhere in the middle. Anyone wishing to buy can consult the Sony website to check on the accuracy of this advertisement for herself or himself. The price I suggest for this product is the approximate price for this product as given in 2006 by Sony, Inc.: however, I will negotiate the price between 100 dollars and 150 dollars, but I will not go below 80 dollars. All payments must be in strictly cash. Any potential buyers must meet the seller at a place designated by seller. Please contact me via e-mail so we can discuss a sale together. Thank You.