As the FIFA world cup is coming, I’d like to sum up some of the best sports watch for you. What a sports watch must have? Maybe a built-in GPS sensor? Maybe the heart rate monitor? Maybe accurate calorie burnt calculations? For most runners, GPS is a must have feature of a sports watch, you can check your speed, the trajectory, distance, etc. While for some other sports lovers, what they need is a heart rate monitor, accurate calorie burnt calculations, they can check their daily calorie burnt, steps, the heart rate when they are exercising. And I found that music sports watches are a new trend for sports watches, sports with phone-free music, that’s really a great idea. GARMIN FORERUNNER 645 MUSICWith built-in GPS, advanced workout-tracking stats and analysis, NFC for mobile payments – – Garmin Pay and space for up to 500 songs, phone-free music. 5ATM waterproof rating, smart notifications and heart rate monitor. 5 hours GPS time with music playing. TomTom Spark 3 CardioGPS running watch and activity tracker, measures time, distance, speed, pace, calories burned, heart rate and live stats on the go. 24/7 activity tracking, smart notifications, waterproof up to 40M. Multi sport tracks all your indoor and outdoor sports. Fitbit IonicThe Fitbit Ionic is the company’s most capable fitness-tracking smartwatch available today. Continuous heart-rate tracking, GPS, personalised voice coaching, sleep stage tracking, phone-free music.The device is fully waterproof, so you can go swimming with it. You can install apps on the smartwatch, make payments, and receive notifications from your