Watch keychains are small and exquisite decorations, usually hung on key rings as personal accessories. They have ever-changing designs and various materials, including metal, plastic, rubber, etc., and often have special functions such as luminous and silent, suitable for use as gifts or personal decoration. There are many types of watch keychains, such as projection watch keychains, electronic watch keychains, and calendar keychain clocks.

These watch keychains are not only used as reference tools for time, but also fashionable accessories. Different design styles and usage scenarios can be selected according to personal preferences. They can be given as gifts to relatives and friends, or as personal decorations to add personal style.