If the pads on your headphone were like mine and all but disintegrated I find an upgrade. Amazon sells these pads that fit perfectly.
Bingle Ear Cushions Leatherette Spare Replacement for Plantronics Supra Plus Encore and Most Standard Size Office Telephone Headsets H251 H251N H261 H261N H351 H351N H361 H361N (4 Pack)(BEC-LTH4) https://www.amazon.com/dp/B01EYCNUKG/ref=cm_sw_r_apan_i_SEP085C89SN71J1ZYNBK?_encoding=UTF8&psc=1
Bingle Ear Cushions Leatherette Spare Replacement for Plantronics Supra Plus Encore and Most Standard Size Office Telephone Headsets H251 H251N H261 H261N H351 H351N H361 H361N (4 Pack)(BEC-LTH4) https://www.amazon.com/dp/B01EYCNUKG/ref=cm_sw_r_apan_i_SEP085C89SN71J1ZYNBK?_encoding=UTF8&psc=1