The TruLink wireless audio device adapter works with a certified wireless USB host adapter to wirelessly stream audio from your computer to speakers, a projector, or a TV. Use additional wireless audio device adapters to enable up to six wireless audio connections with a single computer. This wireless 3.5mm audio solution enables in-room wireless connectivity up to 30 feet between the computer and the audio device(s). The highly secure wireless connection is ideal for classroom or conference room presentations, or to stream audio from your laptop to your home entertainment system. Up to 6 computers can share 1 wireless audio device, or 1 computer can stream audio to as many as 6 audio devices.