Features: The sound card has 15 sound effects, 9 interesting modes and 6 adjusting rotary knobs. With BT function, two live broadcasts and one accompaniment after connecting three phones. When sound enters, it is the indicator light. When it does not sing, it is the breathing light. One button to eliminate the original sound, and intelligent dodge. DSP intelligent noise reduction chip, low consumption, stereo sound. Built-in rechargeable polymer lithium battery, long-lasting time. The microphone cover prevents wind noise when you are recording. The double-layer filter with double-layer nylon mesh construction can remove plosive sound effectively in recording. The shockproof mount securely holds the microphone and effectively reduces handling noise. Universal function supports multi-function like singing, live, recording, music and so on. Supports mainstream live streaming software. Specifications: Material: Metal BT Protocol: 2.1 Channel: 5.1 Working Voltage: 3.3V-4.2V Charge Voltage: 5V±5% Charge Current: 500mA max S/N Ratio: >95dB Frequency Response: 20Hz-20KHz ±3dB Distortion: &It; 03% (1KHz, A weighting) Battery: 2000mAh Item Size: 145 x 105 x 30mm / 5.71 x 4.13 x 1.18in Package Weight: 1900g / 67.02ounces Package Size: 430 x 270 x 90mm / 16.93 x 10.63 x 3.54in What's in the box 1 x Live Sound Card 1 x BM-800 condenser microphone 1 x Adjustable Microphone stand 1 x Nylon filter 1 x Faux-plastic shock mount 1 x Microphone windscreen 2 x XLR female to 3.5mm microphone cable 1 x English manual instruction