Here is an interval timer that combines with your smartphone to keep your interval training on track. The Seesii Smart Interval Timer is compatible with iOS and Android devices. It has 5 different modes, so you can use it as an interval timer or stopwatch.
More gadgets like this ➡️ : here
This interval timer has a magnetic part, so you can easily mount it to metal surfaces. It has preprogrammed timer settings and a Tabata button.
*some of our articles have aff links. Please read our disclaimer on how we fund Exxponent.