STRONG & ACCURATE GPS TRACKING: Experience precision with the Amazfit GTR Mini smart watch's GPS technology, backed by support for five satellite systems, ideal for outdoor adventures EXTENDED 14-DAY BATTERY LIFE: Stay powered on the go with the Amazfit smartwatch, offering up to 14 days of charge and up to 20 days in battery saver mode, expertly balancing efficiency and performance VERSATILE FITNESS TRACKING: This fitness watch offers over 120 sports modes with smart recognition. Automatically detect seven sports and get comprehensive reports on calories, steps, and performance COMPREHENSIVE HEALTH MONITORING: This heart monitor watch provides 24/7 tracking of heart rate, blood-oxygen levels, and stress with One-tap Measuring, alerting you to unusual health changes promptly ENHANCED SLEEP TRACKING: With this health tracker watch, explore in-depth sleep stages and quality analytics. Activate Sleep Mode to minimize interruptions for a restful, rejuvenating sleep Amazfit Certified Renewed GTR Mini Smart Watch for Men,14-Day Battery Life, GPS, 5 Satellite Positioning, Heart Rate, SPO₂ Monitoring, 5 ATM, Black (Renewed)