Meet the Flex Timer: an interval training wall clock that pairs with your smartphone via Bluetooth, allowing you to set up complex training programs easily. The companion app is compatible with iOS and Android devices. You can pre-plan your workout in the mobile app, connect multiple clocks to control them simultaneously, or connect a heart rate monitor to keep an eye on your performance.
Flex Timer can be stopped or started from your smartwatch or other wearable devices. You will also be able to see your rep counts conveniently. Like what you see? More information is available here.