the computer as a sound card, suitable for computer live / network teaching / voice chat. in reverberation stereo output key to turn on reverberation and adjust sound output to be your own master. performance needs professional tuning, fine layout and panel details at a glance.Bluetooth wireless connection has -in upgraded Bluetooth plate, which fully supports mobile phone / computer / and other electronic products.Compatible with a variety of devices, compatible with of the electroacoustic equipment on the market.: -04d channel output: 2 / stereo input channel: 2 / 2Microphone output: 2 tone adjustment: 2 segments of high and lowControl mode: knobUSB sound card interface: 1 in and 1 out compression screw: NoneEffector module: 16dspLed level indicator: YesSound recording: YesPlug Type: EU Plug, it applies to Indonesia, Germany, , Spain, and so on.Colour: whiteMaterial: ABSSize: 18.5 x 15.5 x 4.3cmPackage Contents:1 * 1 * EU plugOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.