Poly Blackwire 5220 USB-C UC Wired Headset With 3.5mm Plug (8X231AA)

The Poly Blackwire 5220 (8X231AA) is an on-ear stereo wired headset designed for PC and tablet connectivity. It connects to compatible PCs through USB Type-C or the included USB Type-C to USB Type-A adapter and supports tablets through a 3.5 mm audio port. The headset uses 28 mm speakers with a 32-ohm impedance and a speaker bandwidth of 20 Hz to 20 kHz. Its integrated noise-cancelling microphone has a bandwidth of 100 Hz to 10 kHz, while the microphone boom rotates through 280 degrees. Speaker sensitivity is specified as 6 dB RLR, microphone sensitivity is 10 dB SLR, and the signal-to-noise ratio is greater than 24 dB. The headset uses artificial leather ear cushions. Its cable consists of 116 cm from the inline module to the headset and 94 cm from USB to the inline module, giving a total USB-to-headset cable length of 217 cm.

The Blackwire 5220 provides inline controls for call answer/end, microphone mute, and volume adjustment. It supports Windows 10, Windows 11, macOS, Android, and iOS and incorporates SoundGuard Digital acoustic protection technology. The headset weighs 165.2 g. The package includes the headset, USB Type-C to USB Type-A adapter, carrying case, quick start guide, and warranty card. The USB-C connection and supplied USB-A adapter provide the specified PC connection options, while the 3.5 mm audio connection supports compatible tablets. The stereo wearing style, 28 mm speakers, noise-cancelling microphone, artificial leather ear cushions, 280-degree microphone boom rotation, inline call and volume controls, and SoundGuard Digital technology provide the technical features specified by HP/Poly. The model is also listed as compatible with Android and iOS in addition to Windows and macOS, providing support across the operating systems specified by the manufacturer.