Features: 1.Connect all ipod device with 30 pin connector to Firewere 1394 equipped computers. 2.Unique retractable cable design. Compact size for traveling convenience. 3.Directly plug and play for windows 2000 and XP. Specifications: 1.Net weight: 0.3oz 2.Length: 4.5 inches(Max extension length: 32 inches)