Feature: 1. Ergonomic Design: The wireless vertical mouse places your hand in a natural grip position at a unique angle of 60 degrees to avoid forearm sprains and will reduce muscle tension and protect your wrist.2. Efficient and Sensitive: Ergonomic mouse has 6 practical design buttons, plug and play; 800 1200 2400 3200 dpi adjustable mouse movement speed. Optical tracking technology has higher sensitivity than standard optical mouse for accurate tracking of various surfaces. 3. Silent Design: Wireless vertical mouse with button silent design, more suitable for libraries, bedrooms, offices, high speed rail planes and other public places. 4. 2.4 GHz Wireless Connection: Wireless range is 10m; wireless receiver is plug and play for PC, laptop and other devices. 5. System Support: For 2000, for XP, for 7, for Vista, for 98, for OS, for ME, for 8, for 10, etc. Specification: Item Type: Wireless Vertical Mouse Package List: 1 x Wireless Vertical Mouse 1 x Wireless Receiver |