This mixer is a multi-purpose with a sound card 4Channel mixer,Can satisfy the user's family music production,Live webcast,KSong cover and other needs. Bluetooth Transmission:Equipped with Bluetooth function for simple and fast connection,enjoying freedom without constraints. DJ Dricolor light: Featuring precise audio dynamic light display Change DJ tricolor lights with music changes. Each+48V phantom power supply: Built in high-quality effect processing chip, precise processing effect, excellentsound effect,realistic and three-dimensional feeling. Supports USB playhack, Gompatible with multinle formats, MP3 player with USB interface, recording, Bluetooth function. MP3 Adjustment: Recording performances and providing musie playback. High quality, iow-noise: Balanced Microphone input, Can connectto microphonesand instruments. 3-stage adjustment: Single channel Delicate adiustment, All channels are equipped with three-stage EQ balance. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Voltage: AC100-240V Plug Type:AU Plug,it applies to Australia and so on. Color: White & Black Material: Aluminum Alloy Package Contents: 1 x Audio mixer 1 adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.