Mini Digital Watchs Small keychain watch, let children or students read time easily at school or during exams Portable Keychain Pocket watch design is very convenient to carry around. Keychain watch can hangs on the belt or backpacks, convenient and practical Digital Watches: Small digital watch is equipped with precise movement, providing accurate time Applicability: This keychain digital watch is suitable for students and children. Great for kids and students Clock Watch materials: The clocks make from quality materials and used for long time,waterproof,touch.