Many eBay members in a series of products to sell Apple's iPod. iPod MP3 aircraft market for these products is the most famous brands. From the first-generation iPod to the latest fourth-generation iPod and iPod photo. eBay is the most popular products. When you read the eBay website descriptive iPod products, including those noted distinguish between different types of accessories. To enable the normal operation of your iPod, you can purchase the proposed dock. FireWIRE binaural style headphones and USB 2.0 transmission lines or other accessories. PS : The first generation Apple iPod flash (flash), MP3 machines capacity from 512MB to 1GB. It is only the size of a pack of gum, but no screen, and it can be reused for broadcasting music. It does not need wires, through the built-in USB interface can connect directly with the computer. use flash because (flash) memory type, there is a lot of water sports contributory to the center. IPod Mini : the iPod smaller than the standard size, with 4GB to 6GB capacity, but also pink. green, blue and silver and other colorful shell. You can even buy on the market compared to the earlier golden 4GB iPod Mini models. IPod : Apple iPod Mini and fourth-generation 20GB iPod has the same function but also can use a 12-hour battery. You can also buy on the market earlier production 40GB iPod. Apple iPod from HP : the 4GB iPod from HP product. Two specifications are 20GB and 40GB. IPod U2 Special Edition : 20GB fourth-generation iPod U2 Special Edition has all the characteristics. In smooth black coat with a red runner control, in the back there is a signature U2 Orchestra members. IPod photo : songs so that you can bring the same as carrying pictures. IPod photo 30GB or 60GB hard disk is also a broadcast JPEG, BMP, GIF, and TIFF formats encountered have color photos of the screen. You can also buy on the market earlier production 40GB iPod photo. Those buying an iPod : the first generation, second - and third-generation iPod is much cheaper than the fourth-generation iPod. Before you buy needs further consideration. And Windows system compatibility : First - and second-generation iPod need to install other software can be used on Windows systems. Third-generation iPod will randomly installed Windows system. 979 : iPod replacement battery life of 300 to 450 in the use of lithium-ion batteries. In this, the battery will lose its effectiveness. If the iPod can be used to replace damaged cells in the warranty period, you can ask Apple to replace the batteries. If you are concerned about this issue, you can purchase and the seller to determine how much longer the battery life. Transmission Line : First - and second-generation iPod in the top of a data link FireWIRE city. and the third generation iPod using a kind of groove (dock connector) to transmit information. But please identify for you to buy the iPod, transmission method with your computer. Turntable : iPod control trouble in the end with a few multiple control? First-generation iPod using the mechanical control of the trouble, after the iPod use touchscreen control turntable; But the third-generation iPod simultaneously with four touch-button. If you like the third-generation iPod, but do not want to use the time because they do not have touched the button accidentally. it may choose only the fourth-generation iPod with touch-controlled turntable!