Optical Wireless PC Mouse

SPECIFICATIONS type 2: USB optical mouse type 1: wireless mouse model number: gaming mouse WiFi Range: 10m Type3: Mouse gamer Type: 2.4Ghz Wireless Style: Mini,Finger,Trackballs Power Type: Battery Power: 2 x AAA battery (not included) Package: No Operation systems: Windows 2000, Me, XP, Vista, Win 7 and Mac Operation Mode: Opto-electronic Number of Rollers: 1 pcs Number of Buttons: 4 Model Number: W01 Interface Type: USB Hand Orientation: Right Gross Weight: 50g DPI: 1600 Characteristic: computer mouse Certification: CE