Specifications: Speaker: Size: 53mm Impendance: 64Ω±15% (f=1KHZ) Sensitivity: 110±3dB Frequency response: 20-20KHZ Ratred Power: 20-30mW Microphone: Size: Impendance: 2.2KΩ(max) Sensitivity: -42±3dB Frequency response: 100-10KHZ Type: Omnidirectional Rated Voltage: 2V-10V SNR: 60dB Package List: 1 x Redragon H510 Headset 1 x Detachable Microphone 1 x Adaptor 1 x USB Control Box 1 x 3.5mm Connector 1 x Storage Bag 1 x User Manual