Features:4-channel sound card mixing console with 2 XLR/TRS combined mono MIC/LINE input jacks and 2 TRS & 2 RCA stereo input jacks.With input gain, 3-band EQ(HIGH/MID/LOW) control knobs and volume faders; 16 DSP multipurpose effects, fit for daily use at most occasion.The built-in 48V phantom power is suitable for power supply to condenser microphone directly; with 3.5mm high-definition headphone output port for accurate monitor and quiet practice.Supports MP3 player function and with MP3 main control keys for easy operation, also supports BT connection with your mobile device; with sound card, can also connect with PC directly.Compact size design, portable and lightweight; and DC 5V low voltage power supply, can be powered by computer/5V power bank/USB/DC adapter, very convenient to use.Suitable for recording, online live performances, karaoke singing and conference room, a great assistant for guitarists, singers, music lovers and so on.Specifications:Brand: MusladyModel: B4-MXColor: Red/Green/Yellow(optional)Power Supply: 5VItem Size: 16 * 24 * 7cm/ 6.3 * 9.4 * 2.8inItem Weight: 800g/ 1.8lbsPackage Size: 28.5 * 20.5 * 9.5cm/ 11.2 * 8.1 * 3.7inPackage Weight: 1100g/ 2.4lbsPackage List:1 * Mixing Console1 * USB Cable1 * Power Adapter1 * User Manual(English)