Feature

●Connection method: Wired / Recognition method: Optical (ball) / Button/Wheel function: Button or wheel / Number of buttons: 2 / Wheel buttons: 1
●Color Variations: None / Color: Black
●Cable Length: 150cm
●Supported OS: Windows XP, Vista, 7/MacOS 10.4.11 or later
●Product Size (L x W x H): 5.1 x 4.1 x 1.9 inches (130 x 105 x 48


Description

Product Description

〇 Scrolling ring for an innovative feel It does not move like a mouse, so it saves space. Reduces wrist strain and reduces fatigue even after extended use. Comes with a wrist rest. ○ Optical for accurate reading. ○ Symmetrical design for both hands Just plug in the USB and you can use it immediately.
Supported OS: Windows XP, Vista, 7/MacOS 10.4.11 or later
Product Size (L x W x H): 5.1 x 4.1 x 1.9 inches (130 x 105 x 48

Directions

Professional black/blue finish, removable wrist rest reduces wrist fatigue