Amazfit GTR smartwatch is a classic timepiece with modern features. The latest addition to Amazfit's award-winning lineup of smart wearables, the GTR, comes with 12 sport modes, GPS+GLONASS, 24-hour heart rate monitoring and sleep tracking, and an unparalleled 24-day battery life, making it the perfect smartwatch for every occasion. The GTR 47.2 mm is available in three classic variants - aluminum, stainless steel so you can pick the one that suits your person style the best. Stay active and informed all day long with email, text, and other notifications from your favorite mobile apps. The high resolution 1.39 AMOLED screen makes it easy to read your messages and keep up to date. Long battery life has always been a unique feature for the Amazfit brand, and the GTR is no different. The 47.2 mm comes with a battery life of 24 days on a single charge.