The Thanko eco-friendly Cranking MP3 Player is equipped with a wind up charger that will let you wind it up when you run dry. The 1GBhand crank MP3 player also has a built-in LED torch which will run for a few minutes on a minute of winding. The USB port allows you to charge the MP3 player from a PC also. You can also charge directly with the AC adaptor. The built in battery is fully charged with 30 minutes of winding. Once fully charged you can listen to music continuously for 3.2 hrs. The 1GB Thanko CRANKING MP3 PLAYR is compatible with OS -Windows2000 (SP4) / XP (SP2) / Vista and plays MP3/WMA format tracks. The negative aspect of this wonderful MP3 player is the absence of AM/FM tuner. Famous for its innovative USB products, hope Thanko will come with the radio and a display in future. The player measures 75 × 45 × 34.5mm and weigh 88.8g. Thanko Cranking MP3 Player- HCHRMP01 is available for approximately 5,980 yen ($60).