Features: Compact size USB audio system with 24bit/ 48kHz high-quality ADC/DAC conversion and +48V phantom power, which is designed for music lovers, singers, network broadcasters, and so on. 1 MIC(XLR) & 1 LINE/INST(6.35mm TRS) inputs for connecting microphones, guitars or other audio devices; 1 stereo 3.5mm LINE input for connecting smartphone or other audio devices. 1 stereo 6.35mm MONITOR output jacks(L & R) for the connection of active speakers/ power amplifier; 1 stereo 3.5mm output jack especially for the use of the active loudspeakers of the computer; 1 stereo 3.5mm PHONES output jack for connecting headphones. With MIC input volume, MONITOR output volume and PHONES output volume control knobs; and MIC input & MONITOR output volume level meter. USB 2.0 terminal, connecting to computer for power supply, and audio data can be sent between the audio system and computer. Specifications: Brand: Muslady Material: Metal Power Supply: DC 5V, 500mA Power Consumption: Max. 2.5W Item Size: 12 * 9 * 5cm / 4.7 * 3.5 * 2in Item Weight: 500g / 1.1lbs Package Size: 22.5 * 15 * 7cm / 8.9 * 5.9 * 2.8in Package Weight: 705g / 1.6lbs Package List: 1 * USB Audio System 1 * USB Cable(about 1.5M) 1 * User Manual(English)