1、OTG Digital Interface: The device supports OTG digital interface, supports simultaneous live broadcast of three mobile phones, dual microphones, and dual headphones. 2、Intelligent Noise Reduction: Sound mixing console set intelligent noise reduction, making the sound more complete, one click noise reduction, with functions such as voice change, electronic sound, etc. 3、Multi Function: Podcast equipment bundle with BT accompaniment, reduce cable tangling, eliminate original sound, fine tune treble and bass reverb, and adjust recording accompaniment. 4、Complete Tools: Sound card audio mixer set contains sound card mixer, microphone, phone holder, microphone holder and headphone set etc for your happy. 5、Wide Compatibility: Sound card audio mixer set is compatible with mobile phones, computers, plug and play, driver free, compatible with all kinds of K song live broadcast software. 1 x Sound Card Audio Mixer 1 x Charging Cable1 x 3.5mm Live Cable1 x 3.5mm Accompaniment Cable1 x Microphone4 x Mobile Phone Holder Accessories3 x Microphone Stand Accessories1 x Earphone1 x Microphone Cable1 x User Manual Item Type: Sound Card Audio Mixer SetMaterial: Plastic,ElectronicsApplicable Objects:For Home, Computer, RecordingInterface: USB,OTG, 3.5mmSupport Channel: Left and Right Dual ChannelAudio Support: Stereo Two ChannelDynamic Range: Greater Than 104dbRecording Specification: 16bi48KHZ.94dbPower Supply: 2APower Consumption: 4WMicrophone Model: E300Signal to Noise Ratio (DA): 93dbSignal to Noise Ratio (AD): 82dbFrequency Response: 30hz-18khzLoad Impedance: Greater Than or Equal to 1000 OhmsSound Card Battery Type: Built in 1200mah Lithium Battery