Poly BLACKWIRE 8225 BW8225-M USB-A/IN Headset/Hovedtelefoner

Weight: 186 g Mac operating systems supported: Yes Windows operating systems supported: Yes Control type: Buttons LED indicators: Yes Product colour: Black Recommended usage: Office/Call center Backlight: No Product type: Headset Cable length: 2.2 m Cable colour: Black Control unit type: In-line control unit Wearing style: Head-band Headset type: Binaural Volume control: Button Operating keys: Volume -, Volume + Quantity: 1 3.5 mm connector: No USB connectivity: Yes Bluetooth: No USB connector: USB Type-A Connectivity technology: Wired Harmonized System (HS) code: 85183000 Microphone noise-canceling: Yes Microphone sensitivity: -35 dB Microphone frequency: 100 - 10000 Hz Microphone type: Boom Microphone mute: Yes Headphone frequency: 20 - 20000 Hz Headphone sensitivity: 84 dB Driver unit: 3.2 cm Impedance: 32 O