The reader has 2 buttons, and 3 LEDs along the top edge.

Buttons
Press and hold the small round power button to switch the device on or off.
At this time the button labelled scan is not used for any operation.
LEDs
Power
- Solid Red - Device is charging
- Solid Green - Battery level above 20%
- Blue - Battery level below 20%
- Off - device is switched off
Note: Does not support PD charging.
Bluetooth
- Blue - Bluetooth is connected
- Off - No bluetooth connection
Work
- Flashing Blue - Reading transponders