Features1Upgrade High Performance Motor, Powerful Suction: Solve the problem of insufficient suction to handle large bottle caps. Our handheld vacuum sealing machine creates a vacuum environment that locks in flavor, nutritional value, and freshness. More importantly, our food vacuum sealing machine kit has a longer lasting battery that can be vacuum sealed for about 5 hours in just 2 hours. 2Long Term Food Preservation: Use with confidence, our electric mason jar vacuum sealer is made of ABS plastic and food grade silicone, and you can extract air from Mason jars. Oue electric mason jar vacuum sealer can help suppress the growth of harmful microorganisms, prevent moisture from affecting the food in the can, extend freshness, and reduce food waste. 3Meeting the Needs of Every Family: Our jar vacuum sealer for mason jars contains a cordless vacuum sealer, suitable for two sizes of mason tube bottle top. Five wide mouth and five regular can cups for mason jars. One USB cable, bottle cap opener, and user guide. 4Automatic Canning Vacuum Sealer Mason Jar: Free up your hand. The electric vacuum sealer machine is easy to use, no need for manual pressing, place the mason jar vacuum sealer at the center and firmly press it onto the jar lid. Just press the button and wait for more than 10 seconds, saving time for busy home chefs. 5Portable and Rechargeable Vacuum Pump: Unlike traditional vacuum pumps with cords and tubing, this compact rechargeable sealed canister is cordless and portable, It is an ideal companion for traveling, camping, and picnics. We offer a 12 month warranty service.SpecificationItem Type: Electric Mason Jar Vacuum MachineProduct Material: ABS, Silicone, MetalBattery Type: Lithium Battery (Shipped with Built in Battery)Battery Capacity: 2000mAhPackage List1 x Vacuum Machine10 x Lids1 x Charging Cable1 x Jar Opener1 x User Manual