Telephone Training Adapter Y Splitter for Headset or Handset for Nortel Meridican, Norstar, Avaya, Ashtra, Mitel, Polycom, Ge and Other IP Phone auspowers_batchthree Multi Angle AdjustableSimply adjust and choose 99 inches 203mm 2M Multi Angle AdjustableSimply adjust and choose your preferred viewing angles from 0 to 270 15 inch Diameter: 4 mm (tip) Quantity: 600 pieces Package Content 200 x Glue Micro tips 90 Day Money back Guarantee We believe that Bonsicoky wins your trust with quality and service Now both users can simultaneous listening talking into one conversion via this adapter Very easy setup Y training adapter splitter that you can plug into either the telephone handset port or headset port and the adapter splitter will give you two more ports to headset or handset corded plug in