The Marine Metal Lithium-Ion Bubble Box Air Pump delivers reliable, quiet aeration for anglers who need a portable and long-lasting air pump. Whether you're keeping bait alive or ensuring optimal oxygen levels in your livewell, this pump offers versatility with its four adjustable speed settings, including pulse modes. On high mode, it runs for approximately 10 hours, while the low pulse mode can last up to 40 hours-perfect for extended trips or overnight fishing expeditions. This air pump provides consistent airflow of 1.84 STL/min, capable of aerating tanks up to 15 gallons, making it ideal for both fresh and saltwater environments. The Marine Metal Bubble Box Air Pump features a USB-C charger with a 40-inch cord for easy recharging, a large self-weighted air stone, and 3' airline tubing. For anglers looking for quiet operation, this pump runs at only 50-51 decibels, ensuring minimal disturbance to your environment. The adjustable stainless steel clip and bumpers help reduce vibrations and allow for secure attachment to your gear. Indicator lights keep you informed about battery life, airflow settings, and charging status. The pump's reusable clamshell packaging also helps protect it from moisture, ensuring your pump stays safe and functional. Rechargeable Lithium-Ion battery for convenient and portable use Four-speed settings with pulse modes for customizable airflow USB-C charging port with a 40-inch cord Includes a large self-weighted air stone and 3' airline tubing