Generic SN-Q140S Wired Headphone

"1. Clear Sound: earphones with built in noise cancelling sound card can reduce the noise of computer music or other signals, bringing you a quiet working environment and crystal clear sound. 2. Performance: Built in flexible adjustable microphone, can be arbitrary distortion, receive your loud voice. Reduce unnecessary background noise and make conversation clear 3. Simple Operation: Connect directly to the headset, no additional amplifiers or adapters required. No driver, plug and play, Support PC desktop and laptop. 4. Convenient to Use: The earphone adopts flexible metal hose for precise . Quality earphone cable to avoid damage during use. Adjustable headband, mounting. 5. High Applicability: High end, comfortable ear pads that can be worn all day. Suitable for telephone intensive users, including formal call centers, help desks, telemarketing and customer service organizations. Spec: Item Type: Headset Material: ABS Model: SY490MV Color: Black Port Type: 3.5mm/USB Horn Size: Approx. 30mm/1.2in Microphone: Size: Approx. 6.0x5.0mm / 0.2x0.2in Impedance: 32 Ω Frequency Range: 20HZ-20khz Microphone Sensitivity: -44±3dB Microphone Impedance: ≤2.2K ω Directivity: Omnidirectional How to Use: Plug and Play Package List: 1 x Headset "