Item Type: Live Sound CardMaterial: Aluminium AlloyParameters:Channel: Dual ChannelSampling Rate: 44.1KHzSampling Bit: 16 BitsBuilt in Lithium Battery Capacity: 1200mAh (included)Voltage: 5VCurrent:1AInterface: 3.5mmPackage List1 x Sound Card (Battery Included)1 x Charging Cable 1 x Manual 2 x Data Cable 1PROFESSIONAL DESIGN: USB live sound card has a professional reverb adjustment with a knob design that turns on the reverb for a fuller and more dimensional sound. 2SUPERIOR SOUND EFECTS: Live broadcast sound card supports 12 types of warm sound effects and supports one touch mute; the sound quality is clear, stable and rounded. 3SMART CONTROL: Live broadcast sound card supports intelligent evasion mode, which automatically lowers the volume of the backing track when speaking and raises the volume of the backing track when not speaking. 4MULTIFUNCTION: USB external sound card supports high and low pitch adjustment, voice change function, weird sound effects and optimised voice. 5DUAL PORTS: Podcast mixer sound card has a dual talk simple port design to support two people live at the same time and a dual live port design to live stream two platforms at the same time.