EXCALIBUR 138BK SoundMaster Satellite Wireless Speaker System with Universal Dock for iPod. Enjoy resonant sound without the mess of unsightly wires. The SoundMaster Wireless Speaker with Universal Dock for iPod provides outstanding sound quality throughout any room. The wireless speaker works up to 150 feet away from your iPod. Wherever you are in your home, you will never be far away from your favorite music. The fully integrated universal docking station charges and synchs your iPod. Fully compatible with all iPod models with a dock connector. Two full-range, 3-inch drivers provide great sound. Bright blue LCD is easy to read. Built-in AM/FM radio and alarm clock function adds versatility.