Type-C USB
Used for device charging and plug in OTG.
Headphone
Insert a wired headset, and the sound will be switched from the speaker to the
headset.
MIC
Used to make phone calls, video and voice conversations.
Speaker
Used for listening to musicor sound amplification.
Indicator Light
Android Charging and Notification Indicator Lamp (Breathing Lamp) (Red, Green).
SD card slot and a SIM card slot, a SAM card slot
Used to insert SIMcard, SAM card and SD card.
Power Button
Short Press: Light the screen, lock the screen.
Long press: In shutdown state, long press 2-3 seconds to turn on;
Whenin use, press 2-3 seconds for a long time, and you can choose to Power off,
Restart or Screenshot.
In thecrash state, long press 10 seconds to restart automatically.
Volume Up Button
Compatible with the functions of code scanning and volume up adjustment.
Volume Down Button
Compatible with the functions of code scanning and volume down adjustment.
PRODUCT INTRODUCTION
Printing Instructions
This device supports 58mm thermal paper with the specifications of.
570.5mm40mm.
1. Open the printer cover;
2. Load the paper correctly into the printer as the direction shown above;
3 . Close the cover of the printer and finish.
Note: If the printed paper is blank, please check whetherthe paper roll has
been installed in the correct direction.