Premium Material: The digital electronic counter is made of high-quality ABS plastic, which is strong and durable for long-term use; Simple and elegant appearance, comfortable to hold Easy to carry and store With its mini size and light weight, this handheld mechanical clicker is very easy to store and carry with a portable neck lanyard: This handheld mechanical clicker is tied with a durable nylon cord that you can wear around your neck, Free your hands and avoid accidental loss Simple to use Interface with pink plus button, green minus button and blue on/off/reset button; hold blue button for 5 seconds to activate clicker; press pink button once to add numbers or green button once to subtract No.; can sound, you can press and hold the pink button for 5 seconds to turn off or long press for 5 seconds to restore the sound; when not in use, press and hold the blue button for 5 seconds to shut down a wide range of applications