usb fridge, cooler your drink in hot summers!
Detailed introduction to USB fridge, cup fridge, mini fridge, cup cooler, cup warmer, gadgets, promotional items:
) To cool or warm drink, such as coffee, tea, cola etc;
2) Warm plate up to 65 C, Cold plate chills to 8C;
3) Switch button with LED indicator; yellow for cold and red for warm;
4) Internal size: dia.70mm, High 140mm
