USB heating cup, coffee cup warmer, thermostatic heating cup, electric cup for milk, tea, coffee, warming mug for office and home.

Features:

1. Made from high-quality materials, safe, non-toxic, and odorless.

2. It can be used to heat milk, tea, coffee, beverages, and so on.

3. Lightweight and easy to carry, it takes up only a small space.

4.3 Gears for adjusting the temperature meet different needs.

5. Suitable for school, dormitories, office, and home.

6. Simple operation with a waterproof design.

Please note:

1. There are two versions of the components - Black/Black adds a 1-meter OTG extension cable.

2. It can only keep the water warm, and it cannot boil the water.