USB Cassette Player is a portable, handheld USB tape that works with all kinds of tapes. It has an easy-to-use USB connection for converting the music on your tapes into MP3 files. You can listen to MP3's on your computer, load them onto your portable music player, or record them onto a CD (Not included) and listen in your car. Its portable size allows it to fit in virtually any bag and enables you to play and transfer music anywhere. Specification Item Name: USB Cassette Capture Interface: USB Standard Recording Format: Wave, MP3 Input: Tape Power Supply: 2 * AA Battery (not included) or USB-powered operation Consumed Power: <=1.5W Editing Software: Audacity System Requirements:  One available USB port Pentium 4 CPU or above 512MB RAM or above 1GB free HDD space Windows 2000, XP, Vista, Seven Item Size: Approx.  11 * 8 * 3cm / 4.33 * 3.15 * 1.18in Item Weight: Approx. 173g / 6.08oz Package Size: Approx. 15 * 11 * 4cm / 5.90 * 4.33 * 1.57in Package Weight: Approx. 260g / 9.15oz Package List: 1 * USB Cassette Player 1 * USB Cable 1 * User Cable 1 * Earphone