1. [USB 48V] It provides reliable 48V phantom power directly to the condenser microphone via a USB cable transmitting the sound signal to the sound card accurately and completely. 2. [1 channel] The condenser microphone device has a single-channel unit with balanced microphone input and output which can be connected with your microphone and mixer. 3. [With XLR 3-pin cable] Universal XLR input and output compatible with various microphone music recording equipment; comes with an XLR 3-pin cable with high-quality XLR male and female connectors. 4. [Aluminum alloy material] The phantom power supply is made of stable and reliable aluminum alloy material. The structure is sturdy and durable for long-term use. 5. [Upgraded design] Independent power switch and indicator light design more convenient to operate and use.