The Suunto Spartan Trainer Wrist HR is a smartwatch compatible with iOS and Android and includes real-time heart rate monitor, steps, and calories. It has 218 x 218 screen resolution, on-screen battery indicator, phone notifications, vibration alerts, and Standalone GPS. The Spartan Trainer Wrist HR is a full-featured triathlon sports watch with multi-sport mode customization and has multi-sport tracking features: walking, running, biking, swimming and seventy-two more sports and activities selectable from the watch. Its dimensions are 2.1 x 1.9 x 0.6 inches (LxWxD) and it weighs 2 ounces.