Easy to UsePlease open cover to preheat the item by pressing 2-3 seconds before using, then simply slide it along the edge of any bag and it's sealed airtight. And when you want open the bags you can just press and pull the mini food cutter across the bag, you dont need to use scissors anymore. 2 in 1 Heat Sealer & CutterThis mini bag sealer is a great tool for kitchen, camping, travel and more. it is very suitable for packaging and preventing food and snacks from getting wet and spoiled.Not just a sealing machine, but also an opening machine.The cutter is hidden on the side of the sealing machine, you can pull it out,You can quickly seal and cut at any time. USB Rechargeable Design :Protect environment, no need battery, recharge by USB cable,Our heat sealer comes with a rechargeable cable so that you do not need to buy extra battery and can use it anytime anywhere. Please use a 5V output voltage adapter when charging. Work with Wide Variety of Plastic Bags: The heat sealer can be use for plastic bag of PP/PE/PVC, snack bag, chip bag, pet food bag, film-covered bag. This mini bag sealer is not suitable for these bags: Pure paper bag, kraft paper bag, oily extra thick bag. Please dont worry, it is normal that there may be some smell and smoke in during the using process of sealing heating. PortableMini sealing machine easy to carry and space-saving-- Whether you go camping or at home, you can use it to seal and cut easily. The mini sealer has a magnetic back, so it can be sticked on the refrigerator surface.