Built-in digital reverb effector High-quality digital reverb effects, rapid response, computing precision delay and repeat parameters, can be freely adjusted, the music is more spatial sense Multi-functional mixer for professional performance Wireless Bluetooth connection/USB LCD screen playback/+48V phantom power supply Applicable scenes: stage performances, small meetings, campus activities, anchor singing, computer recording, broadcasting applications. LCD display function interface: 4 working modes / system settings, the state at a glance, the operation is more at ease Wireless Bluetooth Convenient connection The mixer has a built-in Bluetooth module, and with the Bluetooth function of the mobile phone/tablet/computer and other electronic products can be connected and other electronic products can be connected