What is this object of curiosity? What does it do? How and why?

Cute Table Lamp

This object can be a cute lamp that size among 3 or 4 inch. And it's easy to bring anywhere because it's a battery powered lamp. It has a variety of colours and can caught people's attention. It's suitable for people who are going for travelling, camping and so more. 

Drink Heater and Cooler

This handy device can be plugged into your computer because it's a USB powered drink heater and cooler that keeps any drinks nice and warm or cool as ice. In addition, it can be wall plug too. It has a variety of colours too and can bring it anywhere. There are two buttons that stated left and right which is "Hot" and "Cold" buttons.

Art Brushes Cleaner

This unique object is an Art Brushes Cleaner. It's also can be used to clean up make-up brushes. It's easy to use for an artist and easy to bring anywhere. There's a "Clean" button that stated at the left which is easy people to see it.