Features:
1. High pinpoint sensitivity and superior performance
2. The freedom of wireless, along with high definition laser technology
3. Offer you horizontal and vertical free scrolling
4. Support vertical charging style
5. The ergonomic design lets you use the mouse comfortably and flexibly
6. Effectively relieve your hands fatigue for long-term playing
7. Include a charging cable and a receiver

Compatiable with windows95,98,ME,ET4.0,2000,XP,andVista etc.

Specifications:
1. Material: Plastic
2. Color: Gray
3. Dimensions: (3.94 x 2.76 x 2.95)"/ (10 x 7 x 7.5)cm (L x W x H)
4. Weight: 3.17oz / 90g
5. Model: A889
6. Rated Voltage: 5V
7. Rated Current: 10mA
8. Shape: Vertical

Package Includes:
1 x Wireless Mouse
1 x Charging Line
1 x Receiver

• Scientific ergonomic design encourages healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain.
• 500-1003 DPI resolution optical tracking technology provides more sensitivity than standard optical mice for smooth and precise tracking on a wide range of surfaces.
• Easy to use buttons: All buttons are easily operable without contorting your fingers. The button force is light for easy clicking, but still firm enough to avoid accidental actuation.
• This is a rechargeable unit. Requires no batteries, operating distance: 13m. USB connection, plug and play
• Compatiable with windows95,98,ME,ET4.0,2003,XP,andVista etc.

Scientific ergonomic design encourages healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain.Olymstore