USB Mini Aquarium Heater - 26°C Constant Temperature

Keep your small aquarium or pet water dispenser at the perfect temperature with this compact, submersible USB heater. Designed for tanks as small as 2 liters, it automatically maintains a steady 26°C to ensure your aquatic pets stay comfortable and healthy. Automatic constant temperature control with built-in high-temperature protection for safety Convenient 5V USB power supply—works with standard phone chargers or portable power banks Clear visual indicators: red light during heating, green whe