Zepp's multi-sport sensor arriving November 19th for $150
 

Most of us flail wildly at a ball without any clue about what happens to it, then wonder why we don't get better. To help out, Zepp's 3D sports motion sensor is designed to put hard numbers to your golf, baseball or tennis swing by showing you (via an iOS or Android app) your swing's speed and ...

http://www.engadget.com/2013/11/13/z...=rss_truncated