Quick overview from the supplier:
Headset A4tech FH300U, 50mm driver, 20-20kHz, 16 Ohm, 100dB, 2.0m, USB, Black
.
Neon Backlit USB Headphone
DSP (Digital Signal Processing) Stereo Chipset
Φ50mm with Neodymium Magnet Speaker Unit
7-Color Cycle Breathing LED Backlight
Dual Support Metal Headband
Large Ergonomic Soft Leather Ear Pads
Noise Cancelling Omni-Directional Mic.
Adjustable Volume Control Knob
Frequency Response 20 Hz - 20 KHz
Sensitivity 100 dB
Impedance 16 Ω
Microphone
Frequency Response 100 Hz - 10 KHz
Sensitivity - 44 dB
Durable Braided Cable Length 200 cm
