Product Description: Colour: Black Material: ABS Size: 105mm*81mm*81mm Charging: Built-in rechargeable lithium battery Package Contents: 1*Portable Outdoor Electric Air Pump RECHARGEABLE: Using USB port, it can be quickly charged via power adapter, laptop, car USB charger or electric motor bank. PORTABLE & CORDLESS USE: The cordless design eliminates tangled cords and allows you to use it wirelessly anytime, anywhere without being limited by the power supply LONG-LASTING CHARGE: With built-in lithium battery, the quick-fill cordless air pump can support long hours of work. There are also 4 charging indicators, great for checking the remaining power and charging status COMPACT & LIGHTWEIGHT: You can easily pack the USB pump into the storage bag, which saves space and can be carried around, providing convenience for indoor and outdoor use. Or hang the cordless air pump on your backpack, it also fits well in your carry-on bag and travel suitcase EFFORT-SAVING OPERATION: This portable inflatable air pump is equipped with a small but powerful motor that maximizes airflow for quick and easy inflation. Because the cordless air mattress pump is battery operated, you don't need to inflate it manually.