Practical tools: You can get 4 digital handheld counters, practical counting tools, saving your time and energy, you can count to 0-9999 with the pink plus button and green minus button, easily clear to zero with the blue switch reset button, simple to operateMaterial and size: The counters are made of ABS material and metal, sturdy and durable, each size is about 2.4 1.4 inches, the rope is about 19.6 inches, lightweight and easy to carry, good quality can accompany you for a long timeVoice prompt: The counter has a voice prompt to turn on/off the beep, if you don't like the beep, press and hold the +/- button for 5 seconds to turn off the sound, which will make the counting quiet and let you spend a more pleasant time