Use the convenient Marine Metal Products USB Bubbles Aerator to keep your bait or catch alive while fishing and during transport. Simply plug this cost-effective solution in to a USB-compatible power source in a vehicle, boat, or portable power banks to aerate water no disposable batteries required. The unit pumps .796 standard liters per minute to aerate up to 8 gallons and does so quietly with an operational decibel level of 51 to 53. The compact size makes it easy to carry and stow away. USB Bubbles Aerator includes 53" USB cord, 30" airline tubing, internally weighted air diffuser, and non-corrosive hanger clip. Compatible with fresh- and saltwater baits. Plugs into USB-compatible power source Use in vehicle or boat, and with portable power banks Pumps .796 standard liters per minute Aerates up to 8 gallons Operational decibel level of 51 to 53 Compatible with fresh- and saltwater baits