Panasonic - Parts and Accessories - Cordless telephone handset Guide. - Use this guide to look up handsets compatible to your telephone and where to purchase.
Amazon.com: Panasonic KX-TGDA50W Dect 6.0 - Auricular adicional para KX-TGD533W KX-TGDA50 : Productos de Oficina
Panasonic Extra Handset for TGD/TGC Series in the Computers & Peripherals department at Lowes.com