Features: This mechanical key calculator features high end design with comfortable mechanical keys, providing clear tactiles feedbacks and reducing finger fatigue for seamless calculations. from ABS plastic, it offer portability, clear display for easy reading in low light, and robust anti drops resistance to withstand daily office use. for finance professionalsand office workers who frequently handle calculations, ensuring ergonomic comfort and reliability during extended work . Perfect for environments like offices, conference rooms, or travel, its size allows easy portability in bags for on the go computing needs. Engineered for durability and convenience, this portable calculator delivers dependable performances in dynamic work settings, making it tool for efficient professional. Specifications: Materials: Plastic Size: 151x118x38mm Color: Black, Gradient Pink, Gradient Blue(optional) Package Includes: 1PC Mechanical Key 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.