Feature Highlights: 1. 2.4GHz Wireless Connection: This wireless number pad utilizes 2.4GHz wireless technology for stable, delay-free transmission and plug-and-play convenience. 2. Dual Power Source with Solar Panel: Equipped with a solar panel, the number pad can operate as a basic calculator when powered by solar energy. 3. Ergonomic & Portable Design: Featuring an ergonomic layout for comfortable use, it is lightweight and easy to carry. 4. 29-Key Layout: With 29 keys, it is suitable for various settings including laptops, offices, banks, schools, and businesses. 5. Dual Mode Switch: When connected wirelessly to a computer, easily switch between keyboard mode and calculator mode using the dedicated PC/CAL key. Product Details: This 29-key wireless number pad combines a 2.4GHz USB plug-and-play connection with an ergonomic design for comfortable, efficient input. It supports dual modes—keyboard and calculator—and can be powered by solar energy for basic calculations. Made from durable ABS material, it is ideal for daily use in home, office, or educational environments. Specifications: - Item Type: Calculator Number Pad - Material: ABS - Number of Keys: 29 - Interface: USB - Connection: 2.4G Wireless - Button Technology: X Architecture - Battery Type: 2 x AAA Alkaline Battery (Battery Not Included) - Applicable Type: Universal Package Includes: 1 x Calculator Number Pad 1 x USB Receiver 1 x User Manual