Go wireless in your classroom with plug and play simplicity. Connect to the wireless transmitter via Bluetooth® with your tablet, mobile device or any unit with Bluetooth® capabilities. Audio is then transmitted to a nearly unlimited number of wireless headphones via a wireless FM signal. Perfect for all multimedia, lab and classroom applications, the system includes one wireless transmitter, six headphones and a storage rack. Easily switch between 4 different frequencies with color-coded switches. Add additional transmitters to have up to 4 different channels of audio simultaneously.