Type: 2.4Ghz Wireless Power Type: Battery Number of Rollers: 1 DPI: 1600 Smooth and stable optical tracking, faster click and response, and accurate movement. Light tone design, office does not disturb...

2.4GHz wireless connection technology: combines the reliability of wired and the convenience and freedom of wireless, fast data transmission, almost no delay or dropped. Plug and play, simple and convenient:...