For all serious sportsmen out there, the Mio Alpha Heart Rate Monitor is a world first. No more need for those irritating straps around your chest, this little toy will do it all for you, and more, from the comfort of your wrist. Not only will it provide a continuous heart rate display, but also features a timer, clock and speedometer and Bluetooth connectivity to boot. Compatible with all smart phones, an app will allow you to log and monitor all results.