La description

                           Wireless Keyboard With Trackball- K2

Feature:
1.RF available
2.Unique hair line texture
3.Mini trackball offers smooth operation
4.Ideal receiver storage
5.Portable slim design allows to store inside your note book
6.Spill-safe keyboard to resist accidental spills
7.Fashion square key design

Mechanical Specification
·Dimensions: **6(L) x **7(W) x 9.8/*5.7(H) mm
·Weight: **0g ( W/O Battery )
·Key no US(*3 keys),UK(*4 keys),JA(*7 keys),KR(*3 keys)
·Key pitch *7.*2mm 1*1 Key
·Keyboard Technology: Membrane
·Mouse Function: Patented mechanical trackball with 2 Buttons
·Color: Alternative
·Cable Length: Null
·Language: Alternative
·Switch Life: 5 million cycles 3~5 times/sec
·Switch Travel: Initial :1.*0±0.3mm, After 5 million cycles: 1.*0±0.5mm
·Keytop force *5gm +/**5gm
·Switch activation: mechanism,Membrane
·Printing: Silk printing

Mouse Specification
·Mouse function Pixart PAW***4DB optical sensor*2 Button
·Resolution **0CPI

Receiver Specification
Dongle Dimension *5 (L) *2.*3 W) 7.6(H) mm
Weight 2.3g max.
Print Silk printing

RF Specification
Frequency 2.**5~***5GHz
Deviation +/***0KHz
Modulation mode GFSK
Channel *1CH(2.**5GHz~2.**5GHz)
ID number 2^*6 (****6)
Connect When keyboard “ Fn+Insert”key press.
Effective operating distance: *0Meters