Poly 4220 Office Headset Wireless Head-band Office/Call center
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| Identifiers | |
|---|---|
| MPN | Plantronics 212731-05 |
| Dimensions / Weight | |
| Key Features | |
| Connections | USB-A connection |
| Connectivity technology | Wireless |
| Earpiece design | Over-the-head |
| Earpiece type | Binaural |
| Form factor | Supra-aural |
| Maximum frequency response | 20 kHz |
| Microphone design | Boom |
| Sound mode | Stereo |
| Sound pressure level | 94 dB |
| Wearing style | Duo/Stereo |
| Weight | 150 g |
| Wireless operating distance | 9144 cm |
| Wireless technology | Bluetooth |
Plantronics is a brand that produces audio communications equipment, including headsets, telephones, and conference systems. The company was founded in 1961, and is now headquartered in Santa Cruz, California.
