Upgraded high-performance motor with strong suction power - solving the problem of insufficient suction power for bottle caps. Our handheld vacuum sealers create a vacuum environment that instantly seals in flavor, nutritional value and freshness. Long-term Food Preserver - Use with confidence, our jar manual vacuum sealer is made from non- food-grade material and you can use it to extract the air from your mason jars. Our electric vacuum sealer for mason jars can help inhibit bacterial , prevent moisture from affecting food in the jar, extend freshness and reduce food waste. Automatic Canning Vacuum Sealer for Mason Jars, Free Your Hands - The electric vacuum sealer is easy to use and requires no manual pressing; place the mason jar vacuum sealer in the center and press it firmly against the jar lid. Just press the button and wait 20+ seconds, saving time for busy home . Portable Rechargeable Vacuum Pump - Unlike traditional vacuum pumps that come with cords and pipes, this compact rechargeable airtight canister is cordless and portable, making it the Perfect for travel, camping and picnicking. Material: ABS+PCB colour: Black Package Contents: 1 x Host 1 x USB data cable 6 x Supporting sealing caps (3 and 3 medium) 1 x Bottle opener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.