Wireless, multi-room audio has never been easier with iLive’s Wireless Indoor/Outdoor Speaker System. Connect any audio device to the audio input and begin enjoying music indoors and out, up to a 200-foot range in an open area or 90-foot range indoors. 2.4GHz technology provides extended range and advanced hi-fi sound. The weather-resistant speakers are designed to give you maximum placement options, and iLive’s Channel Purity ensures optimal sound. Features include mono and stereo selections, independent speaker volume control, and AC and battery power options. Includes 2.4GHz wireless transmitter dock, 3.5mm to RCA audio adapter, 3.5mm audio cable, 3.5mm audio input, and built-in AC power cable. For battery power, the unit requires 6 D batteries for each speaker (not included). iLive products are specifically designed to enhance your digital devices including iPod, iPhone, iPad, Android, Blackberry, mobile phones, tablets, televisions, and Bluetooth devices. iLive’s focus is on delivering a great product that serves as an extension of these devices, in both design and function, without compromising audio quality, features, or ease-of-use.