Features: Portable Cassette Player: Mini size cassette player can deliver crystal clear music in tapes when you are at home, school, bus or train. BT Music Playing: BT connection with phone or computer for music playing and with wireless headphone for music listening make it more versatile to use. Built-in FM Radio: The player supports FM radio channel auto-scanning, convenient to listen to local radio channels. 3.5mm Headphone Monitoring: You can connect your headphone with the player via 3.5mm headphone jack to enjoy pure music. Dual Power: The player can be both powered by 2pcs AA batteries(Not included) and power cable via computer or power bank.