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 set to any hotkey or shortcut to meet 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. 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 For Product: Video Editing, Everyday Use, 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 Only the above package content, 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. The measurement allowed error is +/- 1-3 cm.