Generic IR remotes cannot support always-on voice search. The PH9M EA 5599 dedicates bandwidth to ensure your voice query ("Play Stranger Things on Netflix") executes in under one second.
For official manuals and regional availability, you can check the Philips Support Page or retailers such as for local listings. Philips Ph9m-ea-5599 Best philips ph9m ea 5599
If the remote becomes unresponsive after a battery change, do NOT re-pair immediately. Simply remove batteries, press every button twice to discharge residual power, reinsert batteries, and wait 10 seconds. Generic IR remotes cannot support always-on voice search