MINI USB fish tank for your office desk

USB fish tankReal fish for your real life Raise real fish and enrich your life Features Built in heater for tropical fish climate control Temperature maintained approximately 25(Heater is thermostatically controlled so if water temperature falls below 25, heater will activate until water temperature reaches approximately 25) Air pump functions automatically for 20 seconds once every 4 minutes Changing LED lighting Background can be easily changed to your favorite 3.5*5 photo Operates on USB power or 3*AA rechargeable batteries(batteries not included) (Rechargeable batteries ensure air pump and LED function automatically when USB power is off or disconnected) Packing contents: aquarium tank, USB cable, clear beads, background, user guide Paypal for your sample order