Zepp and Old Hickory debut bat with integrated swing sensor
 

Zepp tipped its hand on integrated swing sensors for baseball bats and tennis rackets back at CES. With MLB Spring Training in full swing, now's as good a time as any to pull the wraps of the finished version. The sports-tracking company teamed up wi...

http://www.engadget.com/2016/02/28/z...ory-smart-bat/