Features 112 kinds of electric sound 18 kinds of sound effects 6 kinds of effect modes Reverberation size adjustment microphone volume adjustment high bass adjustment recording volume control music volume control monitoring volume control earphone function Support mobile phone computer use support the use of a single headset 7 kinds of connecting methods one cell phone K song live double cell phone live three mobile phones live mobile phone computer synchronous live one computer live computer accompaniment cell phone live instrument input cell phone live Bluetooth function Specification Battery lithium ion rechargeable batteryMaterial MetalColor BlackProduct size 125x105x25mm 4 92x4 13x0 98 Weight 467g Package Included 1 x Sound Card1x Microphone1x Bracket1x Large blowout prevention net1x Aluminum box