• Lets others know when you are on the phone
• Works with: CS70N, CS50, CS55, SupraPlus Wireless
• Online indicator light for Plantronics CS50, CS55, CS70N, CS351, CS351, CS351N, CS361, and CS361N wireless headsets
• Also compatible with Avaya AWH55 and AWH55 wireless headsets
• Can be used with HL10 handset lifter and most Plantronics/Poly EHS (electronic hookswitch cables)
• Attaches to most surfaces with included sticky tape
• NOTE: This is the right angle plug version.  Not compatible with Plantronics Savi 700 or Plantronics CS510, CS520, CS530, CS540, CS540XD, or CS545XD
• Old Poly part# 65116-02 - New HP part# HP920Q4AA
• NOT FOR WIRED HEADSETS - approx 2.6"