Cool down quickly,fast cooling Two cooling methods, sinking and Inverted USB interface available everywhere,charger/power bank/laptop can be powered Low energy consumption,Low temperature,Fast cooling,Small volume Suitable for various containers Name: USB Refrigeration Cup USB interface: Type-C interface Rated voltage: DC9V Rated current: Less than 3A Cooling power: Less than 20W Aluminum cup capacity: 300ml Cup diameter: 7cm Charging cable length: 1m Button function: Click the button size:16x12x7cm Material:ABS colour:As shown Package Contents: 1 x USB Beverage Fast Cooler Cup 1 x USB Cable Only 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.