Material: PC+ABS+TPE Color: White,Black,Blue Feature: strong Unbreakable Cup;LED screen display; Manual /Intelligent available Max pressure for Intelligent mode: -55KPA Max Pressure for Manual mode: 4 kinds,-30KPA / -38KPA / -45KPA / -55KPA Power Supply: USB charge Max Run Time: 1 hour Max Charge Time: 2 hours Size: 290*75mm Net Weight: 280g Packing: Solid box package