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Cable leagth:1
Voltage: USB5V (Not provide the charger)
on the external controller
this kind of rechargeable function free you from replace the battery
Two speeds：There are two wind speed adjustable
Aquarium Sponge Filter-Biochemical Sponge Aquarium Water Pump Cable leagth:1Features: 1. Provides both mechanical and biological filtration for your tank. The air infusion chamber produces numerous minute bubbles which promotes gas exchange process and increases dissolved oxygen level in water. 2. Easy to set up Just connect the unit with an air pump thru an airline. It provides both aeration and filtration for your tank. 3. The sponge traps waste particles mechanically and cleans the water without trapping baby fish. It