This product is either discontinued or we cannot get that from suppliers.
Frequency response: 100~12K Hz, Sensitivity: -37dB, Sensor: 1/2.5"Sony Exmor 4K CMOS sensor, Microphone: 1 uni-directional microphones, Consumption: USB 3.1 Supports up to 4K : 5V/0.9A;, USB 2.0 Supports up to 2K: 5V/0.5A, 05 Years Limited Warranty, CAM340+.