Wireless Transmitter Receiver Sony ALTUS ALT-A33PC

Supplied Accessories - Cable (mini RCA 1m), Remote Commander(R) (RM-ANU062) x 1, Battery (AAA X 2), Wireless Transceiver (EZW-RT10A) x 1, AC Adapter, Application software S-AIR CAST (CD-ROM)Features
Universal receiver - The Sony Wireless Music Transmitter and Receiver for PC includes a universal receiver designed for easy connection to an existing audio or home theater setup to provide superb sound quality.
Digital wireless PC transmitter - An included USB S-AIR enabled Digital Wireless transmitter makes it easy to free the music stored on your computer and enjoy your favorite songs in another room of your home.
Optional expandability - The Wireless Music Transmitter and Receiver for PC can be paired with up to 8 additional S-AIR enabled premium or socket speakers (sold separately) that allow you to transmit high quality audio from your computer to multiple rooms in your home.
Multi-room listening - S-AIR Digital Wireless technology makes multi-room listening easy with the ability to transmit CD-quality audio from your computer to up to 10 compact, plug-and-play receiver/speaker systems (sold separately).