Product Name: Single Ear Call Center Telephone Headset with Noise Cancelling Microphone Model NO.: MHP-1000NC Jack Type: L-shaped Jack Diameter: 3.5mm Function: Multimedia, Microphone, Waterproof, Noise-Cancelling, HiFi Usage: Home Theatre, Aviation, DJ, Portable Media Player, Computer, Mobile Phone Communication: Wired Type: Dynamic Headphones Color: Black Wire Material: PVC Material: ABS Plastic Available Color: Black Finish: ABS Quality: High Cord: 1.2m Speaker Size: 30mm Packing: Polybag, Blister or Gift Box Delivery: Around 30 Days Impedance: 150ohms Plug: 2.5mm/3.5mm/Rj Jack/USB Style: Headband Line-Control: Line-Control Microphone: with Microphone Use: Household Earpad Size: Medium Trademark: N/A Transport Package: Polybag / Gift Box /Blister Specification: CE/ROHS Origin: China HS Code: 85183000 Product Description Single ear Call Center Telephone Headset with Noise Cancelling MicrophoneFashionable design, with excellent sound. Coilded cord with quick disconnect (QD) With noise cancelling microphone1. Flexible high quality MIC boom, noise cancelling microphone to reduce background noise2. Light weight durable and comfortable for all day use3. Acoustic shock protection circuit4. Hearing on one side and can be worn on either ear5. Adjustable head band6. Replaceable soft foam or soft leatherette ear pad7. Quick disconnect (optional) for the convenience of walking away removing the headset8. GN Netcom compatible quick disconnectSPECIFICATION1) Driver unit: 30mm mylar speaker2) Frequency: 20-20KHz3) Impedance: 150 ohms / 2.2Kohms4) Sensitivity (at 1KHz): 105dB (+/-5dB)5) Resonance frequency (Fo): 300Hz6) Freqency response: Fo-6KHz7) Max input power: 10mW8) Mic sensitivity: -58dB or -40dB9) Plug: 2.5mm stereo (or RJ 9 Jack / USB plug)OUR ADVANTAGE1) Provide tailor-made products to meet different customers' needs2) Strict quality control system. 100% inspection before delivery3) Compatitively price with fast delivery4) Customized logo or package is accepted5) Payment by T/T , L/C or Western Union is accepted6) Provide free sample for quality testing