The Samsung Wireless USB Charger is designed specifically for Samsung Galaxy Watch models, such as the Galaxy Watch Active 2 and Galaxy Watch 2 3 4 Black. With a sleek matte black finish, this charging dock features a magnetic mounting type for convenient wireless charging. It is compatible with both USB and wireless connectivity, with a cable length of 0.8m for easy use on a desktop or desk. The charger operates at a voltage of 5V, providing efficient charging for your Samsung smartwatch.