Check out this USB Wireless Finger Mouse.

USB Wireless Finger Mouse which will never hunt for any space on your desk. Use this novel ergonomic mouse which fits on your finger while you are working or surfing on the Internet.

It is ideal for using at home, at office, especially for mobile traveller. It works while strapped to the index finger and the button is operated with the thumb and it can work on any surface, such as clothes, trousers……

Here’s the specs

• Resolution: 1000DPI
• Radio frequency (RF): 2.4GHz
• Working distance: 15 meters
• Build-in lithium-ion battery: 3.7V 230mA
• Charging time: 2 hours
• Continue using time: 14 hours
• Stand by time: 170 days
• Interface: USB 1.0 or 2.0
• System requirements: Windows 98 / 2000 / XP / VISTA
• Size: 60 x 40 x 38mm (approx.) (Mouse)
• Size: 72 x 17 x 8mm (approx.) (USB Receiver)
• Weight: 25g (mouse)
• Weight: 10g (USB Receiver)

The Wireless USB Finger Mouse is available to buy online for $38 from Brando.