The Boya by-V4u 4-Channel Mini Wireless Microphone System.

It is designed for content creation and allows for 4-person shoots using a camera or phone. The system includes four transmitters with built-in microphones, a four-channel receiver with a USB-C connector, and a charging case. It features 2.4GHz technology for a transmission distance of up to 200 meters (approx. 656 feet). The system includes a noise reduction mode for clearer sound recording. Translation BOYA BY-V4U 4-Channel Mini Wireless Microphone Series Four-channel mini microphone series