1Dual Core DSP Chip: The professional sound mixer has a built in dual core DSP digital chip with noise reduction function for clear and stable sound quality. 2Multiple Inputs: Sound mixer has multiple inputs including charging, PC, OTG, speaker, accompaniment, dual Microphone, dual Headphone and dual Live. No driver required, just plug and play. 3Support Wired Wireless Accompaniment: Sound board supports wired accompaniment and BT wireless accompaniment, which can be used with smartphones, PC, tablets and so on. 45 Singing Modes: Mixing console has 5 singing modes: Popular, Professional, PK, MC, Host, to meet the diversified needs of users. Support mainstream live broadcast platform or software. 5Multifunctional: Portable sound mixing console can adjust high and low pitch, adjustable volume, key, fade, mute, playback, colorful effect lights and so on. 1 x Mixing Console 1 x Data Cable 2 x Sound Cable 1 x Instruction Manual