... ABS shell5) Plug and play with Power supply from USB at 5V;(6)Fast cooling down to about 10C ... 8)Hold 450ml bottles standing ,(10)With 4feet of USB cable(11)With a switch "COOL/OFF/WARM";( ... can is: dia.70mm, High 140mmNote:Using a USB HUB or docking station may result in the loss ... free operation ,follow these guidelines:Stop use,unplug the USB cord,immediately if the device function in an abnormal manner ...