This Is a Boya by-Pm740 Wireless Condenser Usb Microphone.

Wireless operation with a battery life of up to 50 hours. High-fidelity sound with a 48 kHz / 24-bit resolution and a frequency response of 20 Hz - 20 kHz. Innovative one-touch noise reduction to filter out ambient noise. Real-time monitoring via a 3.5mm TRS headphone jack. Supercardioid polar pattern that focuses on sound directly in front of the microphone, minimizing background noise.