Support Functions: Recording sound card, supports simultaneous input and playback of two channel microphones, lines, and musical instruments, and has independent headphone, speaker output control, recording sampling rate and frequency up to 24Bit 192Khz, very suitable for mobile recording production. Support Audio Input: High quality TRS front output interface and RCA output interface, can output to the RCA input interface of the audio chin device at the same time, support audio input, different plugs need to be equipped with additional adapters. High Speed USB2.0 Connection: Drive free connection to electricity through USB2.0 cable, before recording and power supply connection for IOS table, it needs to be powered by 5V Micro USB port to become a device for mobile music production and performance. Internal Recording and Cover Singing: The audio input from the streaming media can be mixed to realize synchronous data transmission to the Internet, and the sound card internal recording and cover singing and live K song can be realized. High Resolution: Support 24 BIT 192KHZ high definition sound quality, so that the hearing effect is clear, the details are full and low noise, the built in AD,DA converter achieves high resolution, and the sampling rate can be flexibly switched to 44.1K, 48K, 88.2K, 96K, 176.4K, 192KHZ.