One Key OperationThe automatic vacuum pump has only one on/off button, which can be activated by one key. The button has a large contact area and is easy to use. Handheld vacuum pump has a small and portable design with a comfortable grip. Simplifies the vacuum process by automatically removing air and sealing with the push of a button.Rechargeable and Cordless DesignThe vacuum storage bag pump comes with a rechargeable battery, the use of the process does not need to be plugged in. Say goodbye to tangled wires and cords. Equipped with Micro USB port design, which is convenient and fast charging. Enjoy the freedom of vacuuming without constraints, making it easy to carry and use on the go.Long-Term Service & Wide ApplicationThe vacuum pump is ABS shell, lightweight and wear resistant, making the vacuum pump lighter in weight and longer lasting. The electric vacuum compression pump can be used not only for vacuum food bags, 3D consumables, but also for most of the vacuum preservation boxes on the market. It's a versatile tool for your home or workplace.Powerful Suction and Quick CompressionThis electric air pump has a powerful suction to quickly and efficiently extract air from vacuum bags. You will seal filament storage bags in just a few seconds. Use our auto pump to expel air, keeping your filament dry and effective. The compression feature saves you time and effort, making it easy to create a vacuum-sealed environment without excessive force.How to UseStep 1: Put the consumables or foodstuffs to be stored into the vacuum bag and seal the mouth of the bag with the zip clip to confirm the sealing is successful; Step 2: Aim the electric vacuum pump at the extraction port and turn on the pump switch to pump out the air; Step 3: Flatten the extraction port after pumping. The auto vacuum bag pump is very easy to use.