USB Air Pump Solar Aquarium Air Pump with 3 Working Modes Portable and Environmentally Friendly for

Feature: 1. This air pump uses solar panels to absorb sunlight and then converts solar energy into electricity. It is energy saving and environmentally friendly 2. Not only can be powered by solar energy, but also can be charged with the USB cable through the built in input port, and it can be used without sunlight 3. There are 3 different adjustment working modes, high gear, low gear, low gear for 10 seconds and 10 seconds off. The correct working mode can be selected according to different needs 4. The solar air pump is made of high quality ABS materials and solar panels, small in size, light in weight, safe and sturdy in use 5. It is widely used for oxygenation of various aquariums, fish tanks, swimming pools and pond, especially suitable for emergency oxygen and hypoxia Specification: Item Type: Solar Air Pump Material: ABS and rubber Weight: Approx. 485g / 17.11oz Product Size: Approx. 15 x 4.7cm / 5.91 x 1.85in Solar Panel Charging Time: 25H USB Charging Time: 5H maximum Air Volume: 0.9L/min Minimum Air Volume: 0.5L/min Battery Type: lithium battery (battery included) Battery Model: 18650 Voltage/Capacity: 3.7V 3600mAH Voltage Range: 3.0V-4.25V Maximum Working Current: 150+/-10MA (high gear); 75+/-10MA (low gear). Quiescent Current: less than 500UA Discharge Protection Voltage: 3.0V Charging Protection Voltage: 4.25V. Package List: 1 x Tube1 x Adapter Tube2 x Oxygenation Head1 x Air Pump(battery included)1 x USB Cable1 x English Manual