Headphone Earpiece Jack Adapter Cable for Cordless Phones Panasonic : 2.5mm Male (for Panasonic Jack) to 3.5mm Female (for Smartphone Headphone) Cordless Phone Hands-Free Headset Adapter - Newegg.com
Panasonic Lightweight Microphone Headset for Telephones, KX-TCA400 - Walmart.com
Type C buds with braided cable For Panasonic Eluga X1 Pro - Designed by AKG - headphones with Microphone (White) USB-C Connector - Walmart.com
China Emaiker Binaural Nc Corded Telephone Headset with Noise Cancelling Mic for Call Center Office Landline Phone W U10p Bottom Cable Rj9 Jack for Polycom Panasonic - China Telephone Headset and Noise
Panasonic RP-NJ300BE-K BLACK Wireless Bluetooth Ergo-Fit Earphones /Brand New 5025232867554 | eBay