Brand Name: NoEnName_Null
Origin: Mainland China
Type: 2.4Ghz Wireless
Style: Trackballs
Certification: NONE
Hand Orientation: Right
Number of Rollers: 2
DPI: 1600
Package: No
Number of Buttons: 4
Operation Mode: Opto-electronic
Power Type: Battery
Interface Type: USB
Brand Name: NoEnName_Null
Origin: Mainland China
Type: 2.4Ghz Wireless
Style: Trackballs
Certification: NONE
Hand Orientation: Right
Number of Rollers: 2
DPI: 1600
Package: No
Number of Buttons: 4
Operation Mode: Opto-electronic
Power Type: Battery
Interface Type: USB