Replacement Remote Control, Number of Buttons 50
From Amazon
EAESE Remote Control RMT-TX100D Replacement Remote for Sony Bravia Smart TVs RMT-TX101D RMT-TX102D RMT-TX102U RMT-TX200E RMT-TX300E - No Setup Needed Sony TV Remote
Compadvance
SONY Remote Commander (Rmt-Tx200)