Jabra 4999-823-309 Headset/Headset Wired Headband Office/Call Center USB Type-A Bluetooth Black

Certification: CE, FCC, KCC, RCM, UL | Weight: 171 g | Product colour: Black | Package depth: 35 mm | Storage temperature (T-T): -30 - 80 °C | Impedance: 32 Ω | Volume control: Button | Driver unit: 2.8 cm | Product type: Headset | Microphone sensitivity: -44 dB | Operating temperature (T-T): -10 - 50 °C | Recommended usage: Office/Call center | Package height: 230 mm | Headphone frequency: 150 - 7000 Hz | Headphone sensitivity: 93.6 dB | Package weight: 170 g | HD voice: Yes | Bluetooth: Yes | Digital Signal Processing (DSP): Yes | Operating keys: Volume + | Connectivity technology: Wired | Operating keys: Volume - | Plug and Play: Yes | Bluetooth profiles: A2DP | Ear pad material: Faux leather | Pallet gross weight: 174 g | USB connectivity: Yes | Microphone frequency: 100 - 10000 Hz | Harmonized System (HS) code: 85183000 | Master (outer) case gross weight: 9.19 kg | Headset type: Binaural | USB connector: USB Type-A | Call management: Y | Master (outer) case length: 496 mm | Wearing style: Head-band | Products per master (outer) case: 48 pc(s) | Microphone noise-canceling: Yes | Quantity: 1 | Music playback: Yes | Microphone type: Boom | Microphone mute: Yes