To keep the screen light up, please plug in USB/DV cable. Battery is only Memory function.
Product without battery, user can buy it after receiving product.
Use battery, can memory the time, avoid restart the time display after you plug in
the USB cable.
Packaging content:
1x clock
1x USB cable
1X User manual
Usage: Plug in USB/DC cable
Product without Wall charger, user can use the mobile phone charger or other charger which can support 5V/1A or 5V/2A, thanks.
Before use, please find the user manual in the box and read the user manual , follow it to set the time, alarm, temperature etc.
Before use, please peel off the protection film onto the screen, then it will be more brighter for display.
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