Usage Tips: Features:【Portable and Convenient】: The Mason Jar Vacuum Sealer is designed to be compact and easy to carry, allowing you to seal your mason jars anytime, anywhere. With its Type-C charging capability, you can conveniently charge it using various devices. Say goodbye to bulky and inconvenient sealing machines【Powerful and Efficient】: With a suction power of 60KPa and a noise level of only 60dB, the Electric Mason Jar Vacuum Sealer provides a powerful and efficient sealing experience. Its 5W 500CC air pump capacity and 3.5L vacuum flow ensure a tight and secure seal every time. The 370 air pump motor guarantees reliable performance and long-lasting durability.【Versatile Compatibility】: This Mason Jar Vacuum Sealer Kit is suitable for both 68mm/2.7in regular mouth and 85mm/3.4in wide mouth jars. It includes 1 sealer machine, 5 regular mouth sealing lids, 5 wide mouth sealing lids, 1 bottle opener, and 1 regular mouth converter. The sealing lids are even writable, or you can wipe it off for reusable, allowing you to label your jars with ease.【User-friendly Design】: The Mason Jar Sealer features a high-definition LCD display screen with countdown timer, making it easy to monitor the sealing process. The electric vacuum sealer is designed with a user-friendly interface, ensuring a hassle-free operation. The built-in 3.7V 1200mAh lithium battery provides a single-use time of approximately 1-150 seconds and a standby time of up to 30 days.【Multipurpose and Practical】: Not only does the Electronic Mason Jar Vacuum Sealer effectively seal your mason jars, but it also serves as a glass cup sealer. This versatile sealer kit is perfect for preserving homemade jams, sauces, pickles, and more. It is an essential tool for your kitchen and a great gift for friends or family who enjoy homemade preserves.Specification:Product material: ABS + siliconeProduct size: 100 x 100 x 95mm / 3.94 x 3.94 x 3.74inProduct weight: 353g / 12.45ozSuction: 60KPaNoise: ＜60dBPower: ＜5WBattery: Built-in 1*3.7V 1200mAh batteryPower supply: DC5V/1A Type-CVacuum mode: ElectricControl method: CountdownWorking time: 1-150sStandby time: 30 daysSuitable for sealing cap size: 68mm / 2.7in (regular mouth), 85mm / 3.4in (wide mouth)Air pump capacity: 500CCVacuum flow rate: 3.5LAir pump motor: 370Motor voltage: 3.7VPressure relief method: Electromagnetic valve automatic resetDisplay method: High-definition digital displayPacking List:1 x Electric Mason Jar Vacuum Sealer1 x Regular Mouth Converter5 x Regular Mouth Sealing Caps5 x Wide Mouth Sealing Caps1 x Type-C Cable1 x Bottle Opener1 x Manual