This is a multifunction 4-channel mixer console with sound card. It can meet users' many demands, such as home music production, live streaming, karaoke, and so on.Features:Muslady U4 mixer console has 2 channels mono and 1 channel stereo inputs, 1 set of stereo output; support BT connection.This mixer engaged with input gain, high and low sound adjustment, delay and repeat effects.Built-in 48V phantom power is suitable for power supply to condenser microphone directly.High definition headset output port, MP3 player, with sound card, can connect with PC directly.Small size and light weight, can be directly connected to the PC's USB to power supply directly; you can use mobile power bank and AC/DC adapter to power supply too.Specifications:Material: PlasticColor: BlackInput Channel Sensitivity --MIC: -60dBSTEREO CH. INPUT: -40dBEFX SEND: -20dBEEF RETURN: -20dBOutputs: 4V max.Signal To Noise Ratio: -80dBParametric EQ --HI: ±15dB/12KHZLOW: ±15dB/60KHZPlug: US Plug / EU Plug (optional)Item size: 17.6 * 18.8 * 5.6cm / 6.9 * 7.4 * 2.2inItem weight: 513g / 18.1ozPackage size: 23 * 22 * 9cm / 9.1 * 8.7 * 3.5inPackage weight: 735g / 25.9oz(US Plug)Package List:1 * Mixing Console1 * Power Adapter1 * USB Cable1 * Users' ManualNote:User manual and data here are for reference only, specifications are subject to the physical product.