SIZE： 10.3X9.2X2.2CM MEAS： 38X32X55.5CM　　100PCS/CTN GW： 14.8KGS NW： 14.0KGS Features: USB Ports support 2.0 version or 1.1version Keep coffee/tea/drink warm at 50℃-60℃; Easy installation,no driver required,plug&play; Rated power:2.5W-5V DC; With on/off switch; Quality insulation material around the metal hot plate prevents burns; USB powered,no batteries needed. Description: Delicated designed,exquisite appearance,especially agree office using,also can meet desk computer by extend line; Various colour selection; Flowery and individual LOGO can be designed,suppliers and distributors can choose it as promoting and advertising gifts; Considerate design,no national bunderies propagandization,wonderful promotion gift