详细规格及用途描述
‧Technology : Radio RF technology
‧Yaokong distance : not less than 20 metres
‧Size : 140 x 16 x 17mm
‧Battery : a battery ALKALINE23A12V
‧Features : laser pointer, up / down to turn the pagescan be built-in USB(1/2/4GB optional)
‧ Operating System : Windows98 / 2000 / 2003 / Me / XP/ Linus & Macos