https://community.usms.org/swimming/f/general/11549/tempo-trainers-other-than-finisI&#39;m thankful for SwimOutlet&#39;s return policy because I&#39;m 0 for 2 on getting a Finis Tempo Trainer Pro to work, even with trying to change out with a fresh battery too. Reviews were mixed and many mentioned the issues with the batter. I should&#39;ve listeneden-USTelligent Community 12https://community.usms.org/thread/188224?ContentTypeID=1Wed, 23 Oct 2013 14:55:50 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:b600ac30-a95f-444c-8827-ab99c53c129cFormer MemberIt seems like the manufacturer of the &quot;Wetronome&quot; has stopped production which I think was the only similar product. The other alternative is using any underwater mp3 player and using prerecorded tracks running at your desired tempo. There is a thread about making the tempo tracks here: forums.usms.org/showthread.php<div style="clear:both;"></div>https://community.usms.org/thread/188183?ContentTypeID=1Wed, 23 Oct 2013 14:32:11 GMT3187ac58-ba85-4314-b79a-c45cd885e09a:d93dfd00-e023-462b-ab9f-257818c4faa6Former MemberI have experienced similar problems. Some work well for a while and some don&#39;t. But...... they are great for hand speed and getting rid of the accumluated bad habbits most master swimmers have due to plowing through workouts at the same old pace all the time.<div style="clear:both;"></div>