Poly CS540A Convertible Headset +AP11 Kit, Wireless, Office/Call center, 20 - 6800 Hz, 0.741 oz (21 g), Headset, Black
Poly CS540A Convertible Headset +AP11 Kit. Product type: Headset. Connectivity technology: Wireless. Recommended usage: Office/Call center. Headphone frequency: 20 - 6800 Hz. Wireless range: 4724.4" (120 m). Weight: 0.741 oz (21 g). Product color: Black