Reverb digital built-in effectiveness High-quality digital reverb effects with quick response, delay parameters and precision repetitions, can be independently adjusted for wider sound Multi-purpose Mixer for the professional show Wireless Bluetooth connection/USB LCD /+48V power phantom Action scenes: stage shows, small meetings, college activities, anchor karaoke, computer recording, broadcasting applications LCD screen function interfaces: 4 working mode/system Settings, obvious status, more comfortable operation Bluetooth wireless to easy connection The Mixer has a Bluetooth built-in module, so it can be linked to a Bluetooth phone /tablet/ computer Connected to a cellphone /tablet/ computer anything with