Features:
1.2.4GHz Wireless Connectivity (USB receiver & rechargeable mouse usb cable included)
2.Rechargeable built-in battery will never require batteries and will be more convenient and practical for you to use.
3. Ergonomic designed to remit and prevent carpal tunnel syndrome.
4.Optical laser technology for precise control
5. User convenience with wow-pen's signature, pen-grip comfort.
6.L/R mouse buttons, 2 thumb buttons, and a clickable scroll wheel
7. You pick the hand position that best suits you. Plug and play, compatible with Mac and Pc.
8.Professionally designed for office staff and gamers. The right, left and roller keys are uniquely deigned on the side, which will make your hand under the most relaxing state during using. Thus, it reduces the fatigue of the hand.

Specifications:
1. Color: black
2. Size: 102 x 72 x 82 mm
3. Connection method: Wireless
4. DPI: 1200DPI
5. Connection port: USB 2.0
6. Button: left/right button, roller button, forward/back button, middle(on/off) button.
7. Wireless range: about 10m
8. Battery: built-in rechargeable 800mA lithium battery
9. Charging time: about 2 hours
10. Compatible with: Win98/2000/XP/VISTA/7/8/MAC

Package:
1 x 2.4G Wireless Ergonomic Vertical USB Mouse
1 x USB cable
1 x Receiver
1 x Original Box