Description FEATURES Volume control: No Microphone mute: No Headset features: Acoustic shock protection ASP Connector: QD (Quick Disconnect, Plantronics type) Cable length: 0.9 m TECHNICAL SPECIFICATIONS Type of headphones: operator Connection method: wired Headphone mounting type: headband Foldable Design: No Scope of application: traditional telephony Weight (g): 120 Frequency range (Hz): 100 – 8000 Speaker sensitivity: 100 dB Speaker Diameter (mm): 40 Microphone frequency range: 100 – 8000 Hz Microphone sensitivity: 66 dB Housing material: ABS plastic Replaceable ear pads: Yes Ear pad material: leatherette Microphone type: narrow directional with noise reduction Impedance (Ohm): 100 Number of speakers: two (binoural)