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5V/2A USB POWER SUPPLY โ€“ This 5V/2A USB power supply is very safe. You are away from the worry of electric shock to your beloved fish! Use a 5V/2A power adapter, or a 5V/2A power bank to supply power to the heater. (Power adapter or power bank is not included)

USB Powered Betta Heater – Adjustable 10W Mini Aquarium

5V/2A USB POWER SUPPLY This 5V/2A USB power supply is very safe. You are away from the worry of electric shock to your beloved fish! Use a 5V/2A power adapter, or a 5V/2A power bank to supply power to the heater. (Power adapter or power bank is not included)

ใ€๐€๐๐ฃ๐ฎ๐ฌ๐ญ๐š๐›๐ฅ๐ž ๐Ÿ‘ ๐“๐ž๐ฆ๐ฉ๐ž๐ซ๐š๐ญ๐ฎ๐ซ๐ž ๐‹๐ž๐ฏ๐ž๐ฅ๐ฌใ€‘Press and hold the switch for 3 seconds to turn on. Single button design with 3 heat settings to easy set temperature: High (Red), Medium (Blue) and Low (Green). You can choose the temperature that suits you best, up to a maximum of 149 degree F. Whether you are at home, office, or outdoor activities, you can always feel the warmth it brings. The temperature controls are perfect for changes in seasons.

Portable USB Heated Blanket – 3 Adjustable Heat Levels

Press and hold the switch for 3 seconds to turn on. Single button design with 3 heat settings to easy set temperature: High (Red), Medium (Blue) and Low (Green). You can choose the temperature that suits you best, up to a maximum of 149 degree F. Whether you are at home, office, or outdoor activities, you can always feel the warmth it brings. The temperature controls are perfect for changes in seasons.