5 x 1.42x 3.58 inches,0.45pounds - Classic Never Goes Out of StyleThis is a multifunctional cassette player. Not only can it play cassettes, but it can also listen to AM/FM stations. At the same time, it is a recorder, cassette MP3 converter. One device for many needs. Not only can you use it to relive the classics, but you can also use it to recreate the classics. It is a product suitable for the whole family, young and old. - AUTOMATIC STOP- To protect your cassette tapes and prevent unnecessary wear to the pinch roller of the cassette mechanism,this unit is equipped with an Automatic Stop System. When the tape ends during play, the PLAY BUTTON will automatically release to stop the cassette from running. - Support External Mic & 3.5mm Aux PortThere is a built-in microphone , and aso supports external microphones for improved sound quality. A 3.5mm audio jack with earphones as a personal Walkman or connect external speaker. - Portable WalkmanSmall design, you can take it with one hand. It does not take up space and is convenient to put in a bag or pocket. Only a 5V plug is needed when there is a power supply, and 2 AA batteries can be used for power supply when there is no power supply. With it, you no longer need to go out with a bulky cassette player! - AM/FM Radio Portabel AM FM Radio With this AM/FM portable cassette player, you can unwind by tuning into your favorite music station, with zero distractions, and no annoying touch screens with endless options.Authentic pleasure in real time.