FOR SALE IS ONE (1) NEW GENUINE PLANTRONICS CABLE ADAPTER ASSEMBLY WITH 2.5mm MALE PLUG to QUICK DISCONNECT (QD) BY PLANTRONICS BRAND MPN 43038-01 UPC# 017229006607 .THIS PART WAS FORMERLY KNWON AS PLANTRONICS 61866 2.5MM TO QD (quick disconnect). THIS GENUINE PLANTRONICS ADAPTER CONVERTER CABLE IS COMPATIBLE WITH THE PLANTRONICS H SERIES HEADSETS (see below for all h series headsets), AND ANY STANDARD PIN CONFIGURATION 2.5mm HEADSET JACK. WORKS WITH MANY 2.5mm COMPATIBLE PHONES FROM POLYCOM 321/331 AND CISCO SPA900 AND 500 SERIES PHONES, ALLOWING YOU TONNECT YOUR PLANTRONICS CORDED HEADSET WITH A QUICK DISCONNECT. FEATURES RIGHT ANGLE MALE PLUG ON ONE END TO PLUG INTO YOUR DESK PHONE, CORDLESS PHONE, CELLULAR PHONE, OR LAPTOP FOR VOIP USE AND OTHER APPLICATIONS, AND PLANTRONICS QUICK DISCONNECT ON THE OTHER END TO ATTACH TO YOUR H SERIES HEADSET CABLE QUICK DISCONNECT INTERFACE, CABLE LENGTH IS 3" NOT INCLUDING PLUGS ON EACH END. YOU WILL RECEIVE ONE (1) PLANTRONICS CABLE ASSEMBLY WITH 2.5mm MALE PLUG to QUICK DISCONNECT SHIPPED BY USPS FIRST CLASS MAIL..... note..... this adapter features a 2.5mm male plug on one end and the proprietary plantronics quick disconnect on the other end. i carry a similar adapter with larger 3.5mm plug. before you proceed with your purchase, please ensure size compatibility. i can make no assurance your plantronics headset will function with the connected device. as plantronics design engineers will tell you, most panasonic and samsung devices are compatible with your plantronics h series headset and work fine, other devices made by ge, nokia and motorola are usually not compatible with your plantronics h series headset..... plantronics h series headsets include the following plantronics model headsets, encore, tristar, supraPlus, mirage, duoSet, duoPro, encorePro, starset, freeHand, supra model headsets HOW DO YOU KNOW IF YOUR PLANTRONICS H SERIES HEADSET IS (physically) COMPATIBLE WITH THIS ITEM? * IF YOUR PLANTRONICS HEADSET HAS A QUICK DISCONNECT AT THE END OF THE HEADSET CABLE, IT IS A "H SERIES HEADSET", AND COMPATIBLE WITH THIS ADAPTER. YOU ARE NOT DONE YET! NEXT, YOUR PHONE MUST BE (electronically) COMPATIBLE WITH THIS ARRANGEMENT, MAINLY THE HEADSET. PANASONIC AND SAMSUNG PHONES ARE VERY OFTEN COMPATIBLE, SEE BELOW FOR OTHER MODELS THAT ARE OFTEN NOT COMPATIBLE note....this adapter cable does not guarantee your plantronics h series headset will be electronically compatible with the connected device. *many users have experienced consistent success with panasonic and samsung devices these brands near always provide the specifications (and power) required to work great with your plantronics h series headset. *ge, nokia and motorola devices rarely work with the plantronics h series headset. these brands often fail to meet plantronics compatibility specifications or provide the necessary power for the headset to function properly. BID AND BUY HERE IN IN ABSOLUTE CONFIDENCE SINCE I HAVE THOUSANDS OF POSITIVE FEEDBACK. I SHIP WITHIN TWO DAYS OF RECEIPT OF PAYMENT, OFTEN THE NEXT DAY.FREE USPS FIRST CLASS GREEN SHIPPING USING RECYCLED PACKAGING MATERIALS AND ENVIRONMENTALLY FRIENDLY MATERIALS TO ANYWHERE USA. I DO NOT SHIP ANYWHERE ELSE. HAVE A GREAT DAY AND THANK YOU FOR STOPPING BY......