1. Built-in 48V phantom power supply, Blue tooth, stereo/mono mode: Specially designed Sound Card have extremely low noise, distortion and high dynamic range. Built-in 48V phantom power supply for connecting condenser microphones. With blue tooth and switchable stereo/mono mode, this Audio Interface provides pristine, authentic and warm sound reproduction. 2. Set up personal professionalrecording studio by Live Sound Card: Your voice can be recorded on your computer and smart phone through it. Insert amicrophone, instrument or , and record your creativeinspiration or the sound you want to record in combination with your recording software. 3. Play live webcast programs orperformances: Sound Card Mixer can Promote and share your works, and interact with friendsin real time. has low transmission delay and has great compatibilitywith many social interaction software on the Internet. It spreads yourvoice Pompletely at a very fast speed, and brings you closer to youlfriends or fans. 4. High quality digital Audio Podcast Mixer: When you use the computer toplay music, watch , play games, and surf the Internet, you willalso want better audio effects and auditory feelings. sound play back performance has better signal-to-noise ratio,widerfrequency response and higher dynamic range than the for original-computer. 5. Test and analyze the acoustic parameters in the soundcard: Connect it to the computer, insert the test standard microphone, andcombined with the audio spectrum test and analysis software in yourcomputer you can quickly carry out acoustic test and analysis of thesound space, help you effectively correct the acoustic parameters inthe space, and improve the sound playback effect of the space. The for DG4 sound card is small, strong and light box is both interesting and practical. They can be connected to a variety of audio devices and are widely used, You only need a USB cable to connect it to your computer or smart phone. It can quickly record your voice or singing voice, or you want to record. is one of the necessities for music lovers, creators, singers andinternet broadcasting companies.It can match window XP+,Macos,IOS and Android systems support audio editing and production software of audio Daw standard music player and professional audio analysis and testing software,as well as interactive social programs,broadcasts and internet chat software and dub videos. can record and playback at the same time to complete dual work. Level:2x2 dot LED meters Maximum output level:3Vrms Frequency response range:+0.5dB, 20-20000Hz Dynamic range:98 decibels @1KHz:0.03% Stereo separation:92 dB Power supply:DC 5V1A Power Consumption:Maximum 5w Dimensions (WxHxD):90mmx 148mmx 35mm Net weight:0.25kg Color:Black Material:plastic Package Contents: 1 * Audio Mixer Sound Card 1 * USB Cable 1 * 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.