2.4GHz Wireless Ergonomic Design Vertical Optical Mouse JOY Wrist Pain Silver

Specifications:
* Item type:Ergonomic Optical Mouse
* Model:WP012
* Resolution: 1600dpi
* Button: 4 buttons and 1 wheel (middle button)
* Dimension:101X102X72mm
* Maximum operating range:10m
* Charging cable Length:50.5cm
* Color:Blue
* Material:Plastic
* System Requirements:Windows 98/Me/2000/XP/Vista/Win 7/Mac

The Symptoms of "mouse hand " :
Since the keyboard and mouse have a certain height, the wrist have to dorsiflexion to be an angle , then the wrist will keep the tension for a long time which will compress the nerves blood vessels in Carpal tunnel , so that nerve conduction is blocked at the same time blocked the blood supply, resulting in the barrier between your palm feeling with movement .Mainly for the gradual emergence of hand numbness, burning, night intensified the pain , often woke up in dream.

Maybe the ' mouse hand ' occurred while happening the following symptoms :
* the palms, fingers, wrist, forearm and elbow stiffness, pain, discomfort.
* hand tingling, numbness, coldness.
* lower Interoperative capacity of grip strength and the other parts of hand.
* night pain.
* the pain can be persistent to the arm, upper back, shoulder and neck.

Package include:
1x Vertical USB Optical Wireless Mouse
1x USB receiver
1x Charging cable

Ship from China