SOBO Mini AC/DC SB-268 Air Pump features 2Watt with 2x3Liter/min Air Output. Air hose and air stones provided. USB Cable with adapter. Using Lithium Battery with smart battery protection unit. USB Chargeable means can charge using car usb port, power bank, etc. Great for outdoor fishing where fish caught need to keep alive Two modes, strong air output will last for 15 hours and intermittent air output will last for 30hours with full battery charge. WE ARE LOCAL SELLER AND PRODUCTS COME WITH 6 MONTHS WARRANTY! Visit our store for more products and enjoy saving in shipping fee when you purchase multiple products!