[Three Sealing Modes, Seal All Kinds of Bags] The 2-in-1 mini heat sealer is designed with a high-tech circuit board to adjust the temperature, and has 3 modes to choose from (thick bag mode, common bag mode, and super thin bag mode). It is a great helper for storing your leftover snacks, food, fruits, and so on, to prevent waste and mold growth, and keep food fresh.Safe Design, Easy to Use: The potato bag sealer has a built-in high-tech circuit board, also has excellent heat insulation effect which is SGS certified, and a patented triple anti-scald and double technology protection makes it safe and reliable. Seal the bags by turning the knob to the + position and open the bags by turning the - point. When not in use, turn the knob to the middle + and - area to lock it and avoid unexpected heating, preventing children from getting hurt.USB Rechargeable - Long Working Time: Traditional battery-powered heat sealer needs to replace the battery frequently, this rechargeable USB bag sealer adopts a high-capacity rechargeable lithium battery (1300mAh) which can be used for about half a year after a full charge. It greatly helps you save time, money and labor. Equipped with a 30cm long USB cable which is compatible with your mobile phones, computers, power bank, car chargers, etc. You can charge your bag anytime anywhere.Wide Application: The bag sealer can seal several common packaging bags: coated aluminum foil, PP, PE, PVC bags with a thickness of 0.3mm or less. : Common plastic bags, bags for rice, tea, chips, spices, salt, traditional Chinese medicine. It can fully meet your daily use requirements.