Water:
Use clean portable water
Replace water 1~2 times a week
The USB aquarium will make air bubbles for 20 seconds per 4.5 minutes
to enhance the contents of oxygen in the water
Fishes: (not included)
Choose fishes which suit to live between temperature 20°C
~30°C
Quantity less than 5 is suggested
Select proper feeding stuffs and feed 3~5 times a week
Rechargeable batteries: (not included)
The batteries will charge automatically when the USB power supply switches
on
and will stop charging if the electricity is full.
Background picture:
This background picture is standard size of 3.5cm x 5cm.
You can remove the picture and replace the one you like.