4800 mAh USB-Rechargeable Aquarium Air PumpKey Features⚡️ USB Rechargeable – Built-in 4800 mAh lithium battery delivers up to 70 h runtime (interval mode). Recharge via power bank, laptop, car USB, wall adapter, etc. Perfect for fishing trips, fish transport, power outages. High Air Output – Continuous mode supplies steady bubbles; max flow 2×3 L/min, pressure 0.02 MPa. Interval mode works 10 s / rests 10 s to save power and extend battery life.♻️ Energy-Saving sleep-friendly. Wide Application – Fresh & saltwater compatible. Ideal for 15–30 gallon (57–114 L) tanks and any situation needing extra oxygen: home tanks, transport, ponds, emergencies. Complete Kit – Ready to use out of the boxSpecifications Input: AC 110–240 V / DC 5 V USB Power: 2 W Pressure: 0.018 MPa Air Flow: 3 L × 2 / min (dual outlets) Suitable tanks: ≤150 gallons (≈568 L) Noise: ≈40 dB at full power, ≈35 dB at 75 % powerPackage Contents1 × Air pump2 × Air tubes2 × Air stones (white or black)1 × USB cable1 × User manual