Wireless: 2.4G wireless network delivers professional-grade performance with flexibility and freedom from cords. Offers a wide range of applications. This keyboard is programmable and can be customized with any hotkey or shortcut to meet your needs. The 1-key keypad is built for durability with ABS construction and keys tested to withstand up to one million keystrokes. Mechanical switches provide a responsive and tactile typing experience. Rechargeable: A 5-hour full charge supports 20–25 days of usage. Low battery is indicated by an interval flashing LED light. Compatible with various computer systems. Setup is recommended in a Windows system first, after which the device can be used across different platforms. Compatible Devices: Laptop, PC, Tablet, Smartphone. Connectivity Technology: Bluetooth, USB-A. Recommended Uses: Video Editing, Everyday Use, Education, Business. Number of Keys: 1. Style: Classic. Color: Black/White. Material: ABS. Package Contents: 1 x Data Cable, 1 x Keyboard, 1 x USB Wireless Receiver. Note: The package includes only the items listed above. Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3 cm due to manual measurement.