Plantronics CS540 Wireless Headset Speaker 0 technology to improve downlink

0 technology to improve downlink performance to all mobile devices including one-

Poly’s legendary voice quality fills the room with HD Voice 22 kHz audio and 6 m/20 ft pickup

The supported speeds are 100 Mbps

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New with Warranty - GENUINE Cisco GLC-SX-MMD

Plantronics CS540 Wireless Headset Speaker 0 technology to improve downlinkPlantronics CS540 Wireless Headset Refurbished with a 1 Year Warranty Note: These units do NOT work with a computer or USB. Lightweight and versatilefor any office or contact center Business grade headsetweighing only 21 grams Distance to cover most offices with 350 feet of range 7 hours of talk time to get you through the busiest days Over the Ear & Over the Head wearing styles included