1. Compact Powerhouse: Despite its small size, this aquarium oxygen air pump boasts a compact design that delivers a powerful, even, and dense airflow with minimal noise, ensuring a tranquil environment for both fish and fishers. 2. Dual Oxygen Modes: Equipped with continuous and intermittent aeration settings, this silent oxygen pump caters to aquatic needs: continuous mode for warmer temperatures, lower oxygen levels, or larger fish populations, and intermittent mode for cooler, breezy conditions with smaller fish and less water. 3. Adjustable Flow Rates: A simple click-switch of this portable fishing oxygenator lets you control the oxygen output with low (20%), medium (40%), and high (100%) settings, plus a cycle mode that operates at 20% for 2 seconds with a 4-second pause, ensuring flexible and efficient aeration tailored to your needs. 4. Enhanced Night Fishing: With its built-in LED light, this fish tank oxygen pump provides sustained illumination for night fishing while being energy-efficient, enhancing visibility without draining your power source. 5. Universal Type-C Charging: The household fish tank aerator's Type-C interface allows for versatile charging options, compatible with power supplies to long-lasting performance. Additionally, the upgraded fluorescent design prevents loss in dark environments, keeping your fishing trips hassle-free. Maximum Air Volume:400mmHg Maximum Inflation Volume:Inflation Pressure From 0 To Stop Under DC3.7V Voltage Colour:Black Material:Plastic Size:9.2cm (3.62in) x 6.7cm (2.64in) x 4.6cm (1.81in) Package Contents: 1 * Aquarium Oxygen Air Pump 1 * USB Cable 1 * Air stone 1 * Water pipe Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.