Vacuum pump: The product camera automatically removes air in food bags, extends the shelf life and keeps food clean. Overheat protection: With the overheat protection function, overheating is impossible even after long-term use. There will be no safety problems. Rechargeable battery: Equipped with a 1200mAh rechargeable battery, which can be charged with a USB cable, more convenient to use without the need to connect a cable. High-quality material: Made of high-quality ABS material, safe and non-toxic, the surface is smooth and easy to handle, and the operation is simple. Align the suction port of the compression bag and press the switch button. Portable: Small and lightweight, the size is only 5.7 x 5.7 x 15cm (L x W x H) and the weight is only 260g, so it can be carried or put in the backpack.