Brand Name: QIENVISION
Origin: Mainland China
Type: 2.4Ghz Wireless
Certification: CE
Number of Rollers: 1 pcs
Gross Weight: 80g
DPI: 1600
Package: No
Number of Buttons: 4
Operation Mode: Opto-electronic
Style: Mini,Trackballs
Power Type: Rechargeable
Time to market: 2018
Model Number: A2
Hand Orientation: Both Hands
Interface Type: USB