Venta al por mayor Calculadora de bolsillo Mini calculadoras de mano con batería de botón Pantalla de 8 dígitos Calculadoras de oficina bási
16 x 6.8 good performance: this smart calculator is made of ps material, which is lasting; the button is made of silicone, comfortable and not easy to press wrong; the display can display up to 8 digits, keeping your eyes from hurting; it can automatically shut down long time to use: the mini calculator includes a built-in button battery, so you can press the power button to start using it; the button battery model is ag10, which lasts about a year without needing a battery change (not solar energy multiple scenario applications: this elegant and beautiful pocket calculator is ideal for students' classes, teachers' teaching, workers' offices and home expense accounts calculating and out to travel.
