Wireless: 2.4G wireless network delivers reliable performance with flexibility and freedom from cords. Offers a wide range of applications. This keyboard is programmable and can be set to any hotkey or shortcut to meet your needs. The 1-key keypad is built for durability with ABS construction and keys rated for up to one million keystrokes. Mechanical switches provide a responsive typing experience. Rechargeable: A 5-hour full charge supports 20–25 days of use. Low battery is indicated by an interval-flashing LED light. Compatible with various computer systems. Setup is recommended in Windows first, after which it can be used across different devices. 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. Colour: Black/White. Material: ABS. Package Contents: 1 x Data Cable, 1 x Keyboard, 1 x USB Wireless Receiver. Only the items listed are included; other products are not included. Note: 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.