KEESIN 2.4G USB Handheld Finger Wireless Mouse, Wireless Trackball Mouse with Scroll Wheel (Black+Red)

1.2.4GHz Wireless connectivity with working distance within 32ft (10m)
2.Hold in hand or place on any surface
3.Plug and Play
4.Precise optical tracking
5.Scroll wheel with thumb control
6.USB Receiver
7. The power supply :AAA battery(not included)
8.Compatible with :Windows98/ 2000 / XP / VISTA / win 7/Linux、Unix/ Mac OS

Package includes:
1 X wireless trackball mouse
1 X receiver

Product Features

  • Plug and Play, easy to install. Wireless, With trackball, cool. Press then apper laser pointer for presentation
  • Special design, can avoid the harm on your wrist and muscle, greatly reduces discomfort for Arthritis and CTS suffers. Easy to use – left or right hand, or cradled between both
  • Hold in hand or place on any surface
  • Ideal for both laptops and desktops. Place end of index or middle finger on trigger button & thumb on roller ball
  • Compatible with :Windows98/ 2000 / XP / VISTA / win 7/Linux/ Unix/ Mac OS

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