Plantronics In-Use Busy light

In-Use Indicator Light (for Plantronics CS50, CS55, CS70, CS10 and HL10 only)

Let Your co-workers will know you're on a call when they see your indicator light on. Cord is 4' long but can remain wound up if 4' distance is not needed. Ninety-degree plug prong is compatible with cordless headset models Plantronics CS50, Plantronics CS55, Plantronics CS10, Plantronics CS351, Plantronics CS361 CA10, LKA10, as well as Plantronics HL10 lifter. Plugs into the HL10 Accessory/Lifter jack.

Note: NOT compatible with Plantronics M12 Vista amplifier or the new Plantronics M22 amplifier