Portable Keychain Pocket watch design is very for you to carry around Keychain watch can be hung on the belt loop or backpack, and practical Clock Watch materials: The clocks make from better materials and can be used for a long time, waterproof, touch Minis Digital Watchs Small keychain watch, let children or students read time easily at school or during exams Applicability: This keychain digital watch is suitable for students and children Great for kids and students Digital Watches: Small digital watch is equipped with movement, providing accurate time for children