Feature:1. This product is an AC/DC dual-purpose oxygen pump. It adopts pure copper movement and high-quality lithium battery. The cycle life is up to 500 times. It has the characteristics of small size, low noise, large air volume and long life. It can be continuously charged when fully charged Use 24 hours.2. The internal circuit adopts high-quality single-chip intelligent control, with constant voltage and constant current charging, overcharge and overdischarge protection, low power alarm, and high safety factor.3. Widely used in a variety of ornamental fish, aquariums, fish lovers, company fish tanks, and family fish for aeration, especially suitable for emergency oxygenation during power outages, as well as for field fishing and a small amount of aquatic product transportation.Specification:Solar panel power: 6V 1.5WBattery capacity: 3.7V/3600mA/hAir pump type: DC micro air pumpRated voltage: 3.0VBath sound: Less than 60dBMaximum airflow: 0.9L/minMinimum airflow: 0.5L/minOperating mode:1. High-grade full power working time: 24h2: Low-grade full power working time: 48h3: Low gear open for 10 seconds and stop for 10 seconds. Full power working time: 96hCharging method:Method 1: Solar panel charging, Charging time: 15hMethod 2: USB charging (1A charging), Charging time: 5hCharging indication: During the charging process, the LED is in the shape of a running water light to indicate charging, and the 5 LEDs are all on when fully chargedHost shell material: ABSHost size: 138*80*38mmInstructions:1. Long press the power switch (press for 3 seconds), the blue light will be on, and the oxygen will be started. At this time, it is the long-term oxygen mode.2. Press the power switch again (press 1 time) to switch the oxygen mode to intermittent mode, (stop for 2 seconds, and give oxygen for 8 seconds in a cycle mode).3. Charging: Please use the USB2.0 adapter charging head to charge this product. When the voltage is insufficient, the blue light will turn into a red light and enter a flashing state, please charge it in time. Oxygen can also be given while charging.