This small digital watch suitable for kids adults examing, writing note taking Digital pen watch that is easy to wear on penholder light in weight, easy to use LED Display: This ballpoint pen electronic watch watch is equipped with LED display to display time silents design, does not affect rest, work or study Easy to Read: This clip on watches for pen features a simple dials with clear and intuitives numerals, which is easy to read Materials ballpoint pen electronic watch make from materials, which is full of durability and provides you with and accurate time light in weight and compact, suitable for those who do not like to wear watches