The beautifully designed radio shark from Griffin Technology is a USB 1.1 device. Its recording functions will work on 466MHZ and 366MHZ Clamshells running Mac OS 10.3.9 or higher. A blue light indicates the operational readiness. A headset connected to the device will improve indirectly the reception quality. The software interface is quite simple. It allows you to switch through your favorite channels. The recording format is ACC or AIFF, ideal for transformation to your ipod.