WalkerFit M2 Military Grade Smart Watch - the ultimate outdoor sport watch for both men and women! With Bluetooth call capabilities and a fitness tracker for heart rate and sleep monitoring, this watch is perfect for those who want to stay connected while on the go. Plus, its IP68 waterproof suitable to be used in extreme conditions. The 1.8" activity tracker is compatible with Android, iPhone, and iOS, making it the perfect accessory for anyone who wants to stay fit and connected at all times.