Recording Mode: WAV, MP3 Power Consumption: Less than 400mW Software: Compatible with 'Audacity' System Requirement: P4 1.7GHz CPU, 256MB Memory, 32M VGA Card and above, with USB interface, compatible with XP/ Vista/ 7 Colour:As Shown Material:plastic Package Contents: 1 x Cassette Player 1 x Software CD 1 x Cable 1 Pair x Earphones Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Cassette to MP3 Player: Convert your old mixed tapes and cassettes to MP3 , you can play on any MP3 player, or burn to a CD to save. Easy Operation: USB plug and play, comes with tape converter software to advise you through transfer system requirements. Compatible with XP/ Vista/ 7. 3.5mm Earphone : Comes with a pair of earphones for music , which makes you feel enjoyable and more focused, and it 't disturb others. 2 Power Supply: 2 AA batteries (not included) operated or Type C USB cable powered. & Beautiful: Transparent shell, laconic and beautiful appearance. Mini size, portable and lightweight to carry.