Who needs a personal trainer when you've got the Huawei GT 4? It can monitor over 100 workout modes including running, skiing, football, or diving – great for finding out where you can improve your performance. But it's not all about the grind - it can also keep track of your sleep, stress levels and vitals. Plus, with up to 14 days of battery life, you can leave that extra charger at home on your next vacation. 

Features
1.43" AMOLED display
TruSeen 5.5+ precisely monitors your heart rate and blood oxygen all day, and it will notify you of any anomalies
TruSleep 3.0 measures your sleep and gives your quality scores in the morning
Calorie Management tracks every bite, burn, and restful breath
Selection of apps
Waterproof down to 50 m so you can wear it while swimming and diving