Thermostatic Function: Use 5V3A charger, plug the mug in and it can be heated and insulated the entire time, and can heat cold water up to 140℉ and keep drinks warm. The heating time takes about ...

The best travel mugs will keep your tea warm on a long journey and your chilled water cold. The best reusable coffee cups are a great sustainable option if you enjoy hot drinks, and while their ...