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A spare battery charging unit for the CS50/CS55 wireless headset system
Efficient Dulex Audio & AGC
durable headband for customizable
wirelessly update firmware
put headset in pairing mode and for a host of other headset commands
Plantronics Blackwire 300 Series Leatherette Ear Cushion (Poly 89862-01 aka HP 920P3AA) yealink A spare battery charging unitMaintain the efficiency of your BlackWire 300 series headsets with spare leatherette ear cushions. As one of the most popular headsets, the BlackWire 300 series offers professional sound and comfortable design as a budget friendly solution. Use these leatherette ear cushions to make the most of your headset. Blackwire 300 leatherette ear cushion
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