Ujjdwiurgh Rechargeable Oxygen Pump, Portable Oxygen Pump for Fish Farming, Small Oxygenator for Fishing

Ultra-long battery life of 70 hours, no longer worry about fish lack of oxygen when fishing outdoors. Bedroom-level quietness of about 28 decibels, not disturb your quiet life. Strong air pressure, sufficient oxygen, easy to use. Ultra-long battery life, usually charge , just use an ordinary USB charger. If you go out fishing or long-distance transportation, use a 10000 mAh power bank to charge, and the battery life be quadrupled.