1、Big Knob: Live sound card is big knob and fader adjustment, multiple sound effects, dazzling lights, and can be dual phone live. Perfect for broadcasting, karaoke. 2、Compatible: Sound mixer board is compatible with pc, computer, tablet, for Android phone, type C devices, for Windows and electronic musical instruments. 3、Bluetooth: Live sound card is bluetooth 0 with independent bluetooth On/Off key, ≤5m hifi reception, 10m / 38ft effective distance. The sound quality is clearer and more stable. 4、Intelligent Noise Reduction: Sound mixer board is picking up DSP chip digital signal processor, calculating vocals, accompaniment and sound effects through multiple channels. 5、Real Time Monitoring: Live streaming sound mixer can automatically identify the human voice, automatically reduce the volume of background music, with real time behind the ear monitoring. 1 x Live Sound Card3 x 3.5mm Sound Cable1 x Charging Cable1 x Instruction Manual Item Type: Live Sound CardMaterial: Metals, ElectronicsColor: BlackBluetooth Version: BT 5.0Charging Voltage: DC5VSupport Devices: Cell Phones, Tablets, ComputersSupport Mode: Screencast, Live, Fast, Chat, Singing, Games, Etc.Battery Type: Built In 1800mAh Lithium Battery (Included)