Feature: 1. Mechanical Calculator: Designed with blue switch mechanical keys, the calculator offers a crisp typing experience, enhancing productivity and speed. 2. Detachable Keycaps: The removable key cap design allows for easy and thorough cleaning, while the circular key cap aligns with the arc of finger movement, enhancing comfort. 3. Anti Slip Pads: Equipped with non slip foot pads for shock absorption and stability, the calculator ensures a steady and uninterrupted work experience. 4. LCD Display Screen: With an LCD display, the calculator promotes clear digital visibility. The ergonomic design of a 15° angle further enhances readability. 5. Power Saving: The calculator automatically shut down after 10 minutes without any operation and built in 600mAh battery capacity, ensuring long periods of usage without battery replacement. Specification: Item Type: Mechanical Switch Calculator Keys: 24 keys Switch Type: Blue Switch Battery Model: AAA Battery x1 Battery Capacity: 600mAh . Package List: 1 x Mechanical Switch Calculator 1 x Battery 1 x Instruction Manual