Features: 

92 keys, 2.4Ghze wireless Keyboard with Touchpad. 
Touchpad DPI adjustable functions. 
Built-in high sensitive smart touchpad with 360-degree flip design. 
Mini QWERTY keyboard with multimedia control keys and PC gaming control keys. Auto sleep and auto wake mode. 
The Ergonomically handheld design is easy to carry and operate. 
Build-in removable rechargable Li-ion battery that has longer standby time. 

Specification: 
Operating range: 15 meters(MAX), without signal disturbance and no direction limit. 
Frequency range: 2.403GHZ ~ 2.480GHZ 
Operational voltage: 3.3V 
Charge Voltage: 4.4V ~ 5.25V 
Channel: 78 channels 
TX Power: less than +5dBm 
Transmission rate: 1M bit/sec 
Frequency tolerance: +/-30ppm 
Power consumption: 55mA(on), 1mA(sleep) 
Battery Type: Built-in lithium-ion battery 

Notice: 
After 3 minutes without any operating will into sleep mode, press any key about 1s to wake up. 

Package Including: 
1 * Wireless keyboard 
1 * Charging data cable 
1 * User manual/Green

Back lit New Pack -Rs 2000