SIZE： 105X95X25MM MEAS： 38X32X55.5CM 100个/CTN GW： 14.8KGS NW： 14.0KGS Support OS:LBM PC/MACM PC / MAC / MAC Fully compatible with all USB devices.E.g. scanner, camera, DV, MP3... Supports self-powered and bus-powered mode Description: Delicated designed,exquisite appearance,especially agree office using,also can meet desk computer by extend line; Manual heating function,red LED indication when Warmer is turned on,keep coffee/tea/milk warm at5o-60℃,with on/off switch ,quality insulation material around the metal hot plate prevents burns,USB powered no batteries needed Various colour selection; Flowery and individual LOGO can be designed,suppliers and distributors can choose it as promoting and advertising gifts