Features：
1. Container made of FDA approved Eastman Tritan™, tough, clear and BPA-free, safe for kids
2. High vacuum degree of -0.03Mpa to extend fresh keeping time of food 3-5 times
3. Automatic operation with a simple press of the button
4. Highly negative pressure seal to avoid liquid leaking
5. Available for microwave heating
6. Rechargeable lithium battery, 2.5 hours for a full charge with Type-C cable