Low noise universal charging pump is faster, quieter, lighter, lightweight, mini and easy to carry, built-in battery, long battery life; say goodbye to the trouble of external plugs, easy to carry Suitable for a variety of inflatable products, equipped with 6 different air nozzles, more widely used, suitable for various water inflatable toys such as water rings swimming, water floats, etc. Built-in 3600 Amh lithium polymer battery, which can be used for about 50 minutes on a single charge, long battery life to meet your needs Built-in large-capacity battery wireless inflatable, rechargeable, dual-use, wireless use is more convenient for rechargeable, dual-use use, the performance is improved and the pressure is increased by 15% Battery reminder: red light flashes, battery is 0-99%; red light is always on, battery is 100%