Ccylez Headset 3.5mm Telephone Call Center Headset with Noise canceling omnidirectional Microphone monaural Headphones Over-Ear Headset for landline Phones

Specification: Condition: 100% brand new Item type: Call Center Headset Material: ABS Color: As shown Microphone: Omnidirectional microphone Frequency response: 20-3000hz Impedance: 150? ± 5? Sensitivity: -58 dB ± 3 dB Maximum output: 10 MW Interface: 3.5 mm interface Package list: 1x headset 1x manual Note: 1. Please allow 1-3cm errors due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated the same. The object color shown in photos may differ slightly from the actual object. Please take the real one as standard.