Oregon Scientific IB368 iBall Wireless iPod Speaker with Transmitter Dock (Discontinued by Manufacturer) Portable wireless speaker and charging dock for select iPod, iPod shuffle, iPod mini, iPod video, and iPod nano models Advanced 2.4 GHz frequency-hopping spread spectrum technology transmits wireless audio up to 100 feet 3-speaker array and ported bass cavity ensure smooth, powerful audio; built-in remote control for managing iPod Dock charges iPod and synchs with iTunes-equipped Mac or PC; includes auxiliary input and S-video and A/V outs Speaker measures 8 x 7.4 x 7.7 inches (W x H x D); dock measures 4.3 x 4.2 x 2.3 inches; 1-year warranty