Zepp's redesigned sport sensor tracks your swing more accurately
 

For Zepp Labs, a young startup from Los Gatos, California, the goal with its first multi-sport sensor was clear from the beginning: To help baseball, golf and tennis players improve their game. Now, more than two years after the introduction of that...

http://www.engadget.com/2016/04/05/zepp-2-hands-on/