Wireless: 2.4G wireless network delivers professional-grade performance with flexibility and freedom from cords. Offers a wide range of applications. This programmable keyboard allows customization of keys to set as any hotkey or shortcut according to your needs. Our 1-key keypad is built for durability with ABS construction and keys tested 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. Initial setup should be performed in a Windows environment, after which the device can be used across different systems. Compatible Devices: Laptop, PC, Tablet, Smartphone Connectivity Technology: Bluetooth, USB-A Recommended Uses For Product: 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 above package content is included; other products are not included. Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by +/- 1-3 cm.