A4Tech FH300U

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 dBImpedance 16 Ω Microphone Frequency Response 100 Hz - 10 KHz Sensitivity - 44 dB Durable Braided Cable Length 200 cm