Hello, welcome to the ICEYTECH GADGET STORE! We provide you with 100% ONIKUMA Authorized Dealer in Philippines Feature:Driver unit size: 50mm/1.97"Sensitivity: 112 +/- 3dbMicrophone: 6.0 * 5.0mmImpedance: 32Ω+/- 15%Cable length: 2.0m +/- 15%Microphone polarity: OmnidirectionalMicrophone impedance: 2.2kΩFrequency range: 20Hz-20kHzLED working voltage: DC 5V +/- 5%Working current: ≤100mAMicrophone sensitivity: -36 +/- 3dBHeadphone jack: USB + 3.5mm 4PinNote:There may be slight size deviations due to manual measurement, different measuring methods and tools.The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.