Call Center Headset,Ear Hook Single Sided 3.5mm Headphone with Microphone Single Ear Telephone Headset for Laptop Mobile Phones

Specification: Item Type: Headphone Material: TPE Plug: Approx. 3.5mm/0.1in Rope Length: Approx. 1.25m/4.1ft Frequency Response: 20 to 20kHz Resistance Impedance: 150? Sensitivity: 108dB Maximum Input Power: 10MW Application: Call and Service Center, Travel, Teaching Package List: 1 x Headphone 2 x Spare Earphone Silicone Case Note: 1. Please point the microphone to your mouth to get the best call effect.2. Manual measurement, please allow some errors.