Aquarium Fish Tank Oxygen Air Pump Compressor Charging Silent USB with Battery Portable Fishing Oxygenator 6000mA Outdoor

Rechargeable, can also be plugged to use. Large-capacity battery, very long endurance. With 2 kinds of continuous mode/intermittent mode, longer range. If the product is working, after a power failure, the product will automatically switch to battery power, and when the power comes in, automatically charge the battery. The product comes with a power indicator, so you can clearly see the power. Instructions for use. 1. When charging for the first time, for 6-8 hours, all four battery indicator lights are on to indicate charging. After the battery is fully charged, the four battery indicator lights automatically turn off and turn off the charging state. 2. Switch on the indicator light, the motor turns on and off. 3. Gently press the on/off button to turn on the power, and the power indicator lights will light up. The four power indicator lights will display according to the current power level all four lights on indicate 100%, three lights on indicate 70%, two lights on indicate 40%, an