Garmin Forerunner 945
Garmin Forerunner 945, premium GPS running/triathlon smartwatch with music. Full-color, onboard maps guide you on your run so you never get lost during your workout. Performance monitoring features include VO2 max and training status with adjustments for heat, altitude acclimation status, training load focus, recovery time, and aerobic and anaerobic training effects. Battery life: up to 2 weeks in smartwatch mode, 10 hours in GPS mode with music or up to 60 hours in UltraTrac™ mode.