Telecomando con trackball

Ciao,


ho trovato questo telecomando che ha una trackball e è anche RF, invece di IR. Costa circa 39 euro spedito (ebay). Sapete se è valido?

http://www.nimg4u.com/gigacity/img/0133/0133_01.jpg

http://www.nimg4u.com/gigacity/img/0133/0133_02.jpg

http://www.nimg4u.com/gigacity/img/0133/0133_03.jpg


Features:

2.4GHz radio frequency, 10 meters effective working range
360-degree navigaton, sleek and elegant design
Build in optical trackball, mouse key
KEY: Including 45 hot-keys & 2 mouse keys
USB Remote interface and Microsoft Windows XP MCE/Vista Compatible
RF technology frees you from the cables
Bounce Time: less than 10msec
Non-skid rubber feet
PAW3201DH Low Power CMOS Optical Mouse Sensor
MCE Keys: My Music, My Video, My Pictures, My TV, Guide, Live TV, Recorded TV, DVD Menu

Product Specifications:

Number of keys: 47 keys
Remote: 178mm x 50mm x 32mm
Support Windows XP MCE or Vista Premium

Ciao

Alex