Alright, runners, ever wished you had a personal trainer who could fit in your pocket? Well, PACER is here to grant that wish! This smart wearable breath analyzer doesn't just measure your run; it reads your entire life story through 20+ biometrics. It's like having a tiny AI coach whispering in your ear, telling you to push harder or ease up, all while calculating your VO₂ Max like it's a Sudoku puzzle. Forget those clunky hospital tests – PACER brings the lab to your lap, and with real-time insights, you'll feel like a professional athlete minus the million-dollar contracts!