M618 Plus Ergonomic Vertical Wireless Mouse 1600 DPI 6 Function Buttons Optical Mice with Removable Palm Rest For Computer

SPECIFICATIONS working voltage: 5V Type: 2.4Ghz Wireless Time to market: Apr-12 Style: Finger Power Type: Battery Package: Yes Origin: Mainland China Operation Mode: Opto-electronic Number of Rollers: 1 pcs Number of Buttons: 3 Model Number: M618Plus(wireless) Interface Type: USB Hand Orientation: Right Gross Weight: 150g DPI: 1600 Currrent: 30mA Certification: CE 3 Gear DPI: 800/1000/1600