Wireless: 2.4G wireless network delivers professional-grade performance with flexibility and freedom from cords. Increased range of applications. This keyboard is programmable and can be set to any hotkey 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 2025 days of use. Low battery is indicated by an interval flashing LED light. Compatible with computer systems. Please set up in the system first, then use it across different devices. 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 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 vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.