Original remote control polk (RE9220-1) used for soundbar.
Regarding the keys assigned to OPT 1, AUX 2 and BLUETOOTH, they allow us to select different inputs of the device conveniently and quickly.
This is an original remote control.
It's worth highlighting that the remote control features some buttons that utilize infrared (IR) rays, while others employ Bluetooth. With the IR keys, a direct line of sight between the remote control and the device is required, and the remote must be pointed at it. On the other hand, functions using Bluetooth do not have this limitation.
It uses 1 battery of the type CR2025
Lithium-Knopfzellen 3V-160mAH kommen sehr häufig bei Fernbedienungen im Kartenformat zur Anwendung.
Replacement remote controls that replace in all its functions the remote DENON polk (RE9220-1):