Wireless: 2.4G wireless network delivers pro-grade performance with flexibility and freedom from cords. More wider range of applications. This keyboard is programmable, can be set as any hot key or short cut that meet your need. Our1key keypad is built for durability: ABS construction and keys that can endure up to million strokes. Mechanical switches make every word you type bouncy Rechargable: 5 hours full charge can hold up 20-25days use. If it is in low battery, the led light will flash interval to remind you. Compatible with Various computers system. Please set up in windows system first, then you can freely use it in different device. 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, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.