$51.99 New RC280 remote control for TCL Roku Smart TV 32S3750 32S3800 32S3850 32S4610R S425 S423 S325 
Tcl Roku Smart Tv Replacement Remote Control With Volume Control Rc280 Wireless | eBay
2-Pack Replacement 55FS3750 Roku Smart TV Remote Control for TCL TV - Compatible with RC310 TCL 
