Safe power for iPod and other USB-chargeable devices from any wall outlet. Plug your charging cable directly into PowerBlock's Type-A USB socket. Flat-blade non-polarized prongs fit almost any AC outlet, from 100V to 240V, to deliver safe, uniform power levels to any USB-chargeable device, including your iPod. Compact and lightweight for business and other travel - just toss PowerBlock into your luggage or backpack.