"If you own an older generation iPod or have several iPods, then todays review may interest you. Fourth generation and earlier iPods use either USB or Firwire cables to transfer songs and data and most all of them use the firewire cable to charge the iPod using either the AC adapter or directly to a powered firewire port. Carrying around both cables can be a pain. Luckily USBGeek offers a combination cable to alleviate this dilemma. Let's get started..... "