Portable and rechargeable air pump

Rechargeable air pump for aquarium 3 liters per minute.
Small size, easy to carry, suitable for outdoor use.
Low energy consumption.
It can be charged via USB.
The pump has almost no noise, suitable for a quiet environment.
 

 
Specifications
Material ABS
 
SB-168
Battery capacity 1100mA
Power 1W
One vent
Air volume 3 liters per minute
Weight 280gr and 0.61lb
 
Size
Length 11cm and 4.3″
Width 7cm and 2.7″
Height 3.5cm and 1.3″
 
 
SB-268
Battery capacity 2200mA
Power 2W
Two vent
Air volume 2*3 liters per minute
Weight 350gr and 0.77lb
 
Size
Length 11cm and 4.3″
Width 8cm and 3.1″
Height 4cm and 1.5″
 
 
Notes
The real product colors may be slightly different from what you see in the images.
The product dimensions may be slightly different from what is written in the product specifications.