U-Band FM has multiple groups of frequency points that can be adjusted, and multiple stations can be used together without serial frequencyBluetooth wireless transmission, built-in Bluetooth module, easy interconnection, free and convenient connection with your various devices, such as mobile phone, iPad, notebook, etcVarious sound effects can be adjusted independently. Reverberation / treble / bass / music volume / wireless microphone volume / wired microphone volume can be adjusted independentlyThe multi microphone sharing host is equipped with the switching mode of wireless microphone and wired microphone at the same time, so that multiple people can sing together at the same time, bid farewell to the embarrassing scene of grabbing wheat, and no longer worry about insufficient microphonesThe screen cover is made of high-quality metal wheat head by excellent welding process, polished and polished by spraying process, and the built-in high-efficiency filter screen makes the sound quality more pureFrequency range: UHF640~690MHzPower supply voltage: DC5V 2AFrequency response: 20HZ-20KHZSignal to noise ratio: 85dBDynamic range: 100dBDistortion rate: 0.1% (1W)Input sensitivity: 1VEffective use distance: 50-80 meters (under standard conditions) Connection mode: support audio wired connection, card playback & wireless bluetooth connection Purpose: TV karaoke, computer karaoke, language chat, host, personal song recording, family karaoke OK, support the use of power bank DC5V power supplyColour:blackMaterial:MetalSize:255 x 155 x 45MMPackage Contents:1 * Mixer2 * microphoneOnly the above package content, other products are not included.Note: Light shooting 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.