In-Use Indicator Light for all Plantronics Wireless Headsets (i.e. Plantronics CS50, CS55, CS70, CS10, LKA10, CS351, CS361, CS510, CS520, CS530, CS540, W710, W720. W730, W740 with or without HL10 lifter)

Let Your co-workers 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 C510, CS520, CS530, CS540, W710, W720, W730, W740, as well as Plantronics HL10 lifter. Plugs into the HL10 Accessory/Lifter jack.

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

Need extra length? If the 4' cable length is not long enough, we also carry the 6 feet exenstion cable for the busy light

Old Poly part # 65116-02

New HP part # 920Q4AA