No power supply or charger.  It works and has been tested.

The Shenzhen Doogee Fitness Tracker Watch CS2 is a sleek and stylish watch designed for fitness enthusiasts. The case and band give it a modern and sophisticated look, perfect for everyday wear.

With features such as a fitness tracker and compatibility with Android operating systems, this watch is not only functional but also high-tech.

The zirconium alloy case ensures durability and longevity, while the 5GB storage capacity allows for ample space to store your data. 

The Doogee Fitness Tracker Watch CS2 is a must-have for anyone looking to track their fitness goals in style.