Tecno SPARK 4 Lite - Important Cautions; Earphone Safety and Hearing Protection; Battery Safety and Handling; USB and Adapter Usage Guidelines

CAUTION：
1. Use careful with the earphone maybe
excessive sound pressure from earphones
and headphones can cause hearing loss.
2. Risk of explosion if battery is replaced by
an incorrect type, dispose of used batteries
according to the instructions.
3. The product shall only be connected to a
USB interface of version USB 2.0.
4. Adapter shall be installed near the
equipment and shall be easily accessible.
5. EUT Temperature: -10℃～+65℃.
6. Adapter 1: CU-50AT
Input: AC 100-240V~50/60Hz 200mA
Output: DC 5V 1.0A
Adapter 2: CU-50ZT
Input: AC 100-240V~50/60Hz 200mA
Output: DC 5V 1.0A
Adapter 3: CU-52AT
Input: AC 100-240V~50/60Hz 200mA
Output: DC 5V 1.2A
7. The device complies with RF specifications
when the device used at 5 mm from your
body, and the holder must not be of metal
composition.
8. To prevent possible hearing damage, do
not listen at high volume levels for long
periods.
9. Earphone and USB cable are shielded.
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