Wireless: 2.4G wireless network delivers reliable performance with flexibility and freedom from cords. Wide range of applications. This keyboard is programmable and can be set to any hot key or shortcut to meet your needs. Our 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. 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 different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement may vary by +/- 1-3 cm.