High quality file formats such as OGG and FLAC can also be decoded by the iAudio F2, along with subscription-based formats. As the successor to the iAudio F1, which looked like a race car, the F2 continues with a design friendly for younger users. Physically resembling a candy bar style cell phone, buttons are placed on the lower half while a screen occupies the upper section. The headphone and line-input jacks are on the device’s top, while the mini USB connection is on the bottom. A metal lanyard holder is located on the back.