POLY Blackwire 8225 (8X231AA)

Weight: 165.2 g Fully-adjustable headset Advanced hybrid ANC Acoustic Fence Enhanced connectivity Ideal for all-day use Online indicator In-line control   Color Black Cable length 2.07 ft (inline module to headset); 4.89 ft (USB to inline module); 7.19 ft (total USB to headset) Headphone type On-ear (stereo) Button user controls Call answer/end; Mute; Volume +/-; Microsoft Teams; ANC: off, low, high Microphone Type Omnidirectional Microphone bandwidth 100 Hz to 10  kHz Speaker size 32 mm Speaker bandwidth 200 Hz to 6.8 kHZ (speech mode); 20 Hz to 20 kHZ (media mode) Connection Type Wired USB Type-C® Acoustic protection technology SoundGuard Digital 1 2 Dimensions (W X D X H) 6.1 x 1.25 x 7.1 in Audio Features Noise and echo reduction; Dynamic EQ optimized; Noise cancellation (NC) Energy efficiency TCO Certified Cartons per layer 6 Minimum System Requirements USB Type-A port; 3.5 mm audio; USB Type-C® port What's in the box Quick start guide; Warranty card; Carrying case; Headset; USB Type-C® to USB Type-A adapter