User manual
Precautions
This manual contains important information regarding safety measures and proper use
of the product.
To avoid accident, please be sure to read the manual carefully prior to use the product.
Keep the product away from high temperature, moisture or dust.
Do not expose the product to high temperature, especially in a window‐closed vehicle
during summer.
Avoid drop or strong collision of the product or heavy vibration of the TFT screen, as it
may cause damage or abnormal display of the TFT screen.
Please choose appropriate volume. It is not recommended to use earphones in high
volume. If ringing occurs in the ear, please lower the volume or stop using the device.
Please charge under the following circumstances:
A. The battery icon indicates no power.
B. The system automatically shuts down, and immediately shuts down again after
restart.
C. The operating button does not respond.
D. The red icon is displayed in the lower right corner of the product.
Note: This product cannot be used with any unauthorized charger; otherwise it may
burn the product, which is not covered by warranty. For any additional original charger,
please contact customer service.
The Li‐ion battery cells in the battery pack are not user serviceable.
When battery level is low, Recommendation: use the A/C wall adapter supplied with the
product.
Please operate the product properly following the user manual's guidelines.
Do not disassemble the product. Do not use alcohol, thinner or benzene to clean the
surface of the product.
Do not operate device where the use of electronic equipment is prohibited, such as on
airplanes.
To avoid any accidents, please do not use the product when driving or walking on the
street.
USB connection is for data transfer only.
*As the product may undergo modifications and improvements, product specifications
and design are subject to change without prior notice.
NOTE: Pictures in this manual are for reference only.
1. The Home Screen
1.1 Home Screen
After turning on the device, the locked home screen is displayed.
1