Cool down quickly,fast coolingTwo cooling methods, sinking and InvertedUSB interface available everywhere,charger/power bank/laptop can be poweredLow energy consumption,Low temperature,Fast cooling,Small volumeSuitable for various containersName: USB Refrigeration CupUSB interface: Type-C interfaceRated voltage: DC9VRated current: Less than 3ACooling power: Less than 20WAluminum cup capacity: 300mlCup diameter: 7cmCharging cable length: 1mButton function: Click the buttonsize:16x12x7cm Material:ABScolour:As shownPackage Contents:1 x USB Beverage Fast Cooler Cup1 x USB CableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.