size:10.5*9.5*2CM USB line length:1500mm USB working line length:1300mm Electricity wastage:40Ma Heat power:0.5w Package QTY/CTN:100PCS G.W:14.8KGS N.W:14.0KGS MEAS:38*32*55.5CM Features: Four USB Ports support 2.0 version or 1.1version Inset two lighting LED; 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. 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 Delivery date:7-20 days Stardard:ROHS CE