Features: Thin card sized design with silicone key offer portability and color for styles, blending card calculator convenience with portable calculator functionality. with ABS casing and precisions electronic components, this calculator ensures accurate calculations and long lasting performances in build featuring "color variety" customization. for students, accountants, engineers, and styles driven professional requiring tool for academic, financial, or technical tasks with ergonomic comfort. Optimized for classroom calculations, office budgeting, travel expense tracking, and on site engineering projects where compact efficiency matters most. Low power consumption extends battery life for uninterrupted use during exams or fieldwork, while spill resistant silicone buttons withstand daily wear in dynamic environments. Specifications: Materials: ABS+electronic components+environmentally friendly silicone Size:9x6x1cm Package Includes: 1PC Card Calculator note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.