Mini Wireless Air Keyboard 2.4GHz Mouse Qwerty With Touchpad for PC Smart TV Box
Features:

2.4G Wireless 71-key keyboard.
The palm-sized gaming keyboard， streamlined design， feel good， easy to operate.
TPU buttons + PC shell ， plug and play.
Distribution a 300 mA lithium-ion battery.

Specification:

Operating distance	Less than 10 meters (Under accessibility case)
Operating voltage	3.3V
Charging voltage	4.4 ~ 5.25V
Transmission rate	1M per second
Battery	2 x AAA batteries(Not include)
Current consumption	10mA (on)， 1A (sleep)
Modulation	GFSK
TX Power	Less than +5dBm
Frequency tolerance	+/-30ppm
Frequency range	2.403GHz ~ 2.480GHz
Color	Black， white
Size	Approx. 15.5x10.8x2cm/6.1x4.25x0.78 inch
System support	Windows 2000， XP， Vista， CE， Windows7， Linux， PS3， XBOX 360， MAC， OS

Method:

Try common wired mouse and keyboard on your smart TV
If the keyboard and mouse can work， and that the combination of keyboard and mouse to be working properly
This test method is applicable to most smart TV system

Package Included:

1 x Wireless 2.4GHz Mouse Air Keyboard
1 x Adapter
1 x Charging cable
1 x 300 mA lithium battery
1 x Manual

Detail Pictures: