Features:1.Powerful rechargeable battery: With a large 3600mAh lithium battery, our rechargeable air pump can work for 45 minutes after a full charge.2.Automatic inflation and deflation: Choose a suitable nozzle and insert it into the air inlet to quickly inflate different kinds of inflatable products, choose a suitable nozzle and insert it into the air outlet to save time when packing inflatable products.3.Safety & easy to use: Exquisite craftsmanship, a pressurised motor and a sturdy ABS plastic casing make this battery air pump sturdy, well sealed and durable.4.The cordless air pump can be charged quickly via a laptop, car USB port when used outdoors, or at home via a power adapter.5.After-sales service: If you have any problem, please contact us immediately, we will help you solve it as soon as possible.Specifications:Size:53*90 mmMaterial:ABSProduct Power:15WBattery Capacity:3600mAh