Bose Link AR1 Wireless Audio Receiver for Bose Lifestyle Compatible with Bose Lifestyle V35, V25, 235 and 48 home entertainment systems and other Bose linkenabled Lifestyle systems Receives wireless signal up to 80' from the AL8 transmitter attached to your Lifestyle system Proprietary Free Field circuitry limits interference from other deviceslike cordless phones and wireless Internet Works through most walls and floors