Most Bluetooth wireless systems offer somewhat unreliable connectivity and only mediocre sound quality. As a true high fidelity alternative, the NuForce Air DAC wireless system provides an easy to use CD quality audio streaming solution that can work with computer USB audio and Apple mobile devices. No Wi-Fi setup or device pairing is required. The Air DAC uWireless System consists of uTX transmitter and Air DAC receiver set. The uTX is designed to connect to computer USB port for USB Audio streaming to Air DAC receivers.