The Garmin Forerunner 255S Smart Sports Watch Music is designed to help you maximize your performance. It is extra durable and made with Corning Gorilla Glass 3 and a silicone strap. It also comes with built-in GPS, and has menstrual tracking, safety and tracking features, as well as smart notifications. There are over 30 preloaded activities and a body battery energy monitor. It is also waterproof up to 50m and has Bluetooth, ANT+, and Wi-Fi connectivity. In addition, the watch has integrations with music streaming services, and you can store up to 500 songs right on it. It also has the Garmin Coach feature which gives you free adaptive training plans for 5K, 10K, and half-marathon programs. The watch also has a wrist-based heart rate, a Pulse Ox sensor, a morning report, and a Race widget. Additionally, it has built-in sports apps, a PacePro feature, and a Track running activity. It also has improved sleep monitoring and a sleep score, Intensity minutes, stress tracking, and SatIQ technology. Finally, it has long-lasting battery life of up to 12 days in smartwatch mode and up to 26 hours in GPS mode.