Quality Material: The digital electronic calculator is made of high-quality ABS plastic, strong and durable to use for a long time; It is simple and elegant in appearance and comfortable to hold in your hand Easy to carry and store: This electronic manual click calculator measures about 6.3 x 3.4 x 1.5 cm/ 2.48 x 1.34 x 0.59 inches, suitable for the palm of your hand; With its mini size and lightweight features, this manual calculator is very convenient to store and carry Portable Neck Strap: This portable mechanical click calculator is equipped with a durable nylon rope that you can wear around your neck to free your hands and avoid accidental loss Easy to use: interface with pink plus button, green minus button and blue On/Off/Reset button; Press the blue button for 5 seconds to activate the click calculator; Press the pink button once to add a number or the green button once to subtract; It can make sounds, you can press the pink button for 5 seconds to turn off the sound or press for another 5 seconds to turn on the sound again; Press the blue button for 5 seconds to turn off when not in use Wide range of applications: This electronic hand clicker is ideal for game parties, meetings, cooking competitions, school, bars and other occasions; It can be used for various types of competitions and family games Digital hand clicker calculator electronic manual plus and minus portable digital clicker calculator with lanyard for sports golf Buttons and functions: 1. Blue button: Press for 5 seconds to turn on, turn off or reset the calculator. 2. Pink button: Press once to add a number. Press for 5 seconds to turn on or turn off the sound. 3. Green button: Press once to decrease the number. Volume recording can reach 9999 times, enough for daily use. Pocket size: With its mini size, this electric calculator is comfortable to hold in the palm of your hand. The included nylon rope allows you to wear it around your neck or tie it to your backpack to free up your hands. Features: Material: ABS plastic Color: black Size: 6.3 x 3.4 x 1.5 cm/ 2.48 x 1.34 x 0.59 inches Package: bag Package includes: 1 x Electronic digital calculator