QD RJ9 Phone Headset Noise Canceling Ergonomics Customer Service Headphone for Business

Feature: 1. ENC NOISE REDUCTION TECHNOLOGY: Customer service headphone has a built in voice noise reduction processor with ENC noise reduction technology and intelligent voice algorithms to have ultra clear calls. 2. ELIMINATES NOISE: Phone headset is optimized for voice environment with sample rate conversion, equalization, dynamic range control and sound signal processing to eliminate background noise. 3. ERGONOMIC DESIGN: Business headphone adopts ergonomic design, the earpiece can be adjusted 330 degrees, so that the voice output is smoother and the call is clearer. 4. EASY ADJUSTMENT: Telephone headset adapts to the size of the head, and is free to stretch without scratching the hand, reducing pressure and easy adjustment. Stainless steel arm can be bent, not easy to break. 5. QD RJ9 INTERFACE: Call center headset is QD RJ9 interface, suitable for telephone, QD connector for quick disconnect. Adopt hearing protection international standard (less than 118db) to preserve hearing. Specification: Item Type: QD RJ9 Phone Headset Material: ABS Ambient Temperature: -10 degrees C To +40 degrees C Relative Humidity: 10percent -90percent Atmospheric Pressure: 86-106Kpa Ambient Noise: less than 60dB(A) Signal To Noise Ratio:>58dB Sensitivity: -40 +- 3dB (OdB=1V Pa, At 1KHz) Impedance 2.2K Ohm. Package List: 1 x QD RJ9 Phone Headset 1 x QD RJ9 Cable