The sound card has sound effects, interesting modes and adjusting rotary knobs. One button to eliminate the sound, and intelligent/. 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. Live Sound Card Features Bluetooth Version: 5.0 Main chip: Dual DSP Recording: 16bit/ 48 Less than Hz equal 94db Playback: 16bit / 48 kHz 105dB Distortion: less than equal 0.1% Power consumption: 5W Rated Input Voltage: 5V/ 1A Frequency range:20h-20khz Colour:Black Material:Plastics+Metal Package Contents: 1x Audio Mixer 1x Charging cable 2x Audio cable Only the above package content, other products are not included. Note: Light reflection 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.