Adopt globally accepted 2.4GHz wireless and frequency hopping technology to avoid same frequency disturbance, which can be used in Wi-Fi and Bluetooth simultaneously Clear, stable and lossless sound quality, addition of digital noise reduction function The maximum wireless distance up to 100m With TFT display to show the parameters setting Support 3.5mm Earphone real-time monitoring With output volume control and silence function Stable match of transmitting and receiving Supports two-way transmitting and one-way receiving Freely switch mono or stereo channel to offer more output options Two lithium battery charging methods through USB port or MoveLink II charging case connected to power supply