Portable size: the size of each mini calculator is about 4.7 x 2.7 inches, small and light, easy to store and carry, suitable for home and office use. Durable material: these pocket size calculator shells are made of plastic material, with silicone buttons, which give you a comfortable pressing feel, safe and durable. Battery and solar dual power supply: the electric digital calculator has dual power supply drives: button battery and solar energy, which can switch the power mode according to the environment, which is flexible and convenient. colors: portable calculators have colors, macarons color can easy to catch the eye of people, and let you easily find the calculator in a pile of messy documents or books. LCD display: a portable calculator with a large LCD display for 8-digit calculations, which can clearly see the numbers and is very easy to read. Clear keys: The portable calculator has fast response and high sensitivity, which improves work efficiency. The numbers on the keys are not easy to wear and fade. Dual energy battery endurance: Button battery and light energy dual drive, with stronger battery life. Colour: Pink, Blue, Purple Material: Plastic Package Contents: 3 * Basic Standard Calculators Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.