Microsoft Wedge Touch Mouse 全新
https://www.youtube.com/watch?v=0PDNOC0KA6Q
https://www.theverge.com/2012/8/24/3265121/microsoft-wedge-touch-mouse-and-mobile-keyboard-review
Compact design for ultimate portability
4-Way touch scrolling for navigating up, down, left and right
Works on virtually any surface with Blue Track Technology
Wireless Bluetooth connectivity - no transceiver required
Optimized for Windows 8 navigation
Works with most tablets and laptops
Design is suitable for use with either hand
Item Weight 1.12 ounces
Product Dimensions 2.4 x 2.1 x 0.9 inches