Lifebeam Vi | $249 | getvi.com

Using aerospace-grade biosensors channeling the data through harman/kardon sound, the Vi offers offers the triathlete real-time data at your fingertips without having to use your fingertips. Heart-rate, cadence, elevation, speed, time and location reported in response to your voice commands. The AI component of Vi has been given a kick of vivacity and uses it’s smarts to make for a good conversation rather than just dry analysis. Sweat-proof, touch-aware earbuds and resilient construction to handle the abuse that comes with training.