Description The product is a ultra-thin calculator which is powered by solar energy without any external battery and displays digits and compute sign on the screen. Besides, it adopts touch panel for digital input, and very convenient. With portable design and easy to use, it is suitable for home and office use. Features -Color: Random Color. -Material:Plastic. -Size: Approx. 8.5 x 5.5 x 1 cm /3.35 x2.17 x0.39 inch. - Made of premium material for durable and long lasting use. - It is powered by solar energy, no external battery needed. - Adopt plastic touch panel for digital input, very convenient. - Compact size, light weight, easy to use and convenient for carry. - Perfect for school, home and office use. Package listing: 1 x Set of 3 Pcs Mini Calculators