Description: Comfortable: This computer gaming headset is soft and delivers a good touch feeling and won't harm your head. Noise cancelling: This gaming headphone is designed with fully covered ear muffs that can block noise. Good audio quality: This wired gaming headphone is designed with 50mm speakers that can deliver stereo sound. Built-in mic: This gaming headset is designed with a microphone that can be bent in 360 degrees. Suitable occasions: This 3.5mm computer headphone is a good fit for gaming, live streaming, online chatting, and so on. Specification: Speaker size: φ50mm. Sensitivity: 118±3dB at 1KHz; 1mW. Impedance: 32Ω±15%. Rated power: 10mW. Maximum power: 30mW. Frequency range: 20-20Khz. Microphone size: Approx. Ф4x1.5mm/0.16x0.06 inch. Microphone sensitivity: -42dB ±3. Leakage current: ≤0.3mA. Directional: Omnidirectional. Microphone impedance: 2.2KΩ. Microphone frequency response: 50-10Khz. Note: There might be a bit of color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: Type 1: 1 Piece Earphone. Type 2: 1 Piece Earphone(with 1 Piece Adapter Cable).