Brand Name: Logitech
Type: 2.4Ghz Wireless
Origin: Mainland China
Hand Orientation: Right
DPI: 2000
Package: No
Number of Buttons: 5
Power Type: Battery
Style: 3D
Style: Finger
Style: Trackballs
Certification: CE
Number of Rollers: 1 pcs
Gross Weight: 155
Operation Mode: Opto-electronic
Interface Type: USB
Brand Name: Logitech
Logitech Model: MX500
Origin: Mainland China
Type: 2.4Ghz Wireless
Certification: CE
Number of Rollers: 1 pcs
Gross Weight: 210g
DPI: 2000
Package: Yes
Number of Buttons: 4
Operation Mode: Opto-electronic
Model Number: M575
Hand Orientation: Right
Interface Type: USB