Plantronics Voyager 5200 UC Black Bluetooth Headset System

Connectivity Technology: Wireless
Wireless Technology: Bluetooth
Wireless Operating Distance: 98.4 ft
Sound Mode: Mono
Maximum Frequency Response: 6.80 kHz

Connectivity Technology: wireless/ wireless technology: Bluetooth/ wireless Operating distance: 98 ft/ sound mode: mono
Noise-canceling: Yes/ earpiece design: behind-the-ear/ earpiece Type: monaural/ microphone design: cheek. P2i nano-coating provides protection from moisture