Poly 4220 Office, Wireless, Office/Call center, 20 - 20000 Hz, 5.29 oz (150 g), Headset, Black
Poly 4220 Office. Product type: Headset. Connectivity technology: Wireless, Bluetooth. Recommended usage: Office/Call center. Headphone frequency: 20 - 20000 Hz. Wireless range: 3582.7" (91 m). Weight: 5.29 oz (150 g). Product color: Black