Feature 1 Automatic Reversal Function: A cassette player with automatic reversal function. You can choose to listen to music on one or both sides according to your preferences. 2 Portable multifunctional player: portable size allows you to play and transfer music anytime, anywhere, and enjoy music anytime, anywhere. 3 Flexible Operation: The tape to MP3 converter only need to use 2 AA batteries or USB power supply, plug and play. 4 Easy to Use: Comes with tape converter software to guide you through the transfer without a driver, just click the DIR button and it will automatically play the second side. 5 Compatible: The old cassette to MP3 converter is very suitable for Windows 2000, for ME, for XP, for 7, for Vista and for OS X.Item Type: Tape to MP3 ConverterMaterial: ABSRecording Format: MP3Power Consumption: <=400mWSupport System: For Windows 2000, for ME, for XP, for 7, for Vista and for OS XBattery: 2 AA Batteries (Not Included) Package List1 x Converter1 x Data Cable1 x CD Disc1 x Manual