Amplify your iPod and iPhone wirelessly with the iLive Wireless Speaker System. Our Wireless Speaker System delivers incredible sound with speakers that are easy to move from room to room. Place the speakers in different rooms for a simple multi-room audio solution. You can play and charge your iPod or iPhone at the same time when it is placed in the dock. There are 3 separate power adapters for each component, and the 2.4GHz wireless transmitter dock transmits up to 200 feet open area or up to 90 feet indoors. The speakers can also run on battery power and require 4 D batteries each (not included). The LED power and pairing indicators let you know when the system is on and when it is ready to go. Each of the 2.4GHz wireless speakers utilizes channel hopping technology to minimize interference. The 3.5mm audio line input jack allows you to plug in external devices to play your music through the speakers on this system. A remote control (battery pre-installed) with iPod, iPhone, and speaker controls is included for convenient operation. iLive products are specifically designed to enhance your digital devices including iPod, iPhone, iPad, Android, Blackberry, Mobile Phones, Tablets, Televisions, and Bluetooth Devices. Our focus is on delivering a great product that serves as an extension of a these devices, in both design and function, without compromising on audio quality, feature-set, or ease-of-use.