Features:
[ Multipurpose ] – Built-in English/ Russia / Spanish keyboard, easy operation. Great for  input and learning. PC reomte for home entertainment, multi-media education, training, conference, presentation controlled with computer.
[ Big Size Touchpad ] – 2.4GHz wireless connection, big size touchpad ,working as number keyboard and mouse
[ Portable ] – Come with most of the functions of mouse and keyboard but with standard  body, make your job "portable".
[ Support More Devices ] – Support for HTPC, PC with for windows operating system, for mac, linux(Debian-3.1, Redhat-9.0 Ubuntu-8.10 Fedora-7.0 tested), ps3, xbox360 and android device.
1. Specifiction of 2.4G Style :
— 2.4G wireless keyboard touchpad
— Suitable for All-IN-ONE computers,Laptops,Desktops,etc.
— R shape angle of keycaps,comfort to type.
— Modulation system: GFSK
— Operating distance is up to 10 meters
— Battery: 2*AAA
— Keyboard size: 266.54*101.33*5.31mm
— Compatibility: Windows 98/ Windows 2000/Windows 2003/ XP/ Vista/ Win7/ Win8/Win10 Mac Tv Box
2. Specifiction of Bluetooth Style
–Bluetooth wireless keyboard touchpad
— Suitable for All-IN-ONE computers,Laptops,Desktops,Mobile Phone ,Tablet etc.
— R shape angle of keycaps,comfort to type.
— Modulation system: GFSK
— Operating distance is up to 10 meters
— Battery: 2*AAA
— Keyboard size: 266.54*101.33*5.31mm
— Compatibility: Windows 98/ Windows 2000/Windows 2003/ XP/ Vista/ Win7/ Win8/Win10 Mac Tv Box

Pls note that :the bluetooth style not conclude the usb receiver1. Only Android and Windows system can use the touchpad, Apple system can not use the touchpad
2. Pls use Fn+ f12 to switch touchpad and number pad function .
!!!Note： please not that the keyboard is Mini Size ,there not have the accent keys as the full size ,please check and confirm it