331-0777-PC - Pci New Compatible Dell 331-0777 Fyfkf C5gc3 Xl High-yield Cyan Toner Cartridge - Pci HCC7221E-IR-Z It briefly energizes the transformer

It briefly energizes the transformer and takes a snapshot of the condition by measuring the voltage

and has a multi-device connectivity that lets you manage desk phone and mobile/tablet phone calls from a single headset

＊External audio connections

Female Amp Connector

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