Jabra Evolve2 40 MS Mono USB-A - wired over-ear headphones, black

Digital Signal Processing (DSP): Yes | Ear pad material: Faux leather | MEMS (Micro-Electro-Mechanical System) microphone: Yes | Hearing protection technologies: Jabra PeakStop | Hearing protection technologies: Jabra Safetone G616 | HD voice: Yes | Call management: Y | Warnings: Do not disassemble or modify the product yourself. | Warnings: Read the user manual before use. | Voice guidance languages: English | Noise canceling: Yes | Noise canceling type: Active | Microphone type: Boom | Warnings: The product contains batteries which must be disposed of correctly. | Products per master (outer) case: 10 pc(s) | Warranty card: Yes | Carrying case: Yes | Windows operating systems supported: Yes | Number of microphones: 3 | Headphone sensitivity: 117 dB | Master (outer) case gross weight: 3.77 kg | Depth: 60.5 mm | Product colour: Black | Height: 157 mm | Package weight: 316.5 g | Quick start guide: Yes | Volume control: Button | Package type: Box | Motion sensor: Yes | Maximum input power: 30 mW | Recommended usage: Office/Call center | Other operating systems supported: iOS | Package height: 217 mm | Headphone frequency: 20 - 20000 Hz | Microphone sensitivity: -26 dB | Connectivity technology: Wired | Mac operating systems supported: Yes | Driver unit: 4 cm | Folding microphone: Yes | Headset type: Monaural | Other operating systems supported: Android | Operating temperature (T-T): -10 - 55 °C | Bluetooth: Yes | Product type: Headset | Frame material: Aluminium | LED indicators: Yes | Storage temperature (T-T): -5 - 55 °C | 3.5 mm connector: No | Weight: 113 g | Master (outer) case length: 400 mm | Wearing style: Head-band | USB connector: USB Type-A | Pouch: Yes | Plug and Play: Yes | Microphone frequency: 100 - 14000 Hz | Width: 150 mm | Cable colour: Black | USB connectivity: Yes | Operating keys: Mute | Microphone mute: Yes | Harmonized System (HS) code: 85183000 | Quantity: 1 | Package depth: 188.5 mm | 2.5 mm connector: No