Yes. Either of the two Roku Voice Remote models will work with your Roku 3.
You can buy directly from Roku (https://www.roku.com/products/accessories), online retailers like Amazon, or you can often find them locally at stores like Wal-Mart, Target, Best Buy, etc.
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well.
If this post solves your problem please help others find this answer by clicking "Accept as Solution.".
Ultra 4800 | Streaming Stick 4K+ 3821 | TCL Roku TV 43S245/C107X
