Conquer every hour with advanced training features, 24/7 health and wellness monitoring, and up to more than a month of battery life with the Power Sapphire solar charging lens1 and a rugged watch case designed to endure. Power Sapphire Solar Charging Lens Up To 22 Days Of Battery Life In Smartwatch Mode Bright Led Flashlight Advanced Training Metrics And Recovery Insight Health And Wellness Features SATIQ Technology And Multi-band GPS Included Fnix 7 ProSapphire Solar Edition USB-C charging/data cable Documentation Weight 73 g Additional InformationRead more Long Battery Life With Solar Charging Get up to 22 days in smartwatch mode with solar charging in 3 hours of direct sunlight (50,000 lux) per day and up to 73 hours in GPS mode with solar charging (assumes continuous use for entire period in 50,000 lux conditions). Built-in Led Flashlight Variable light intensities and a red safety light give you greater awareness while you train in the dark and can provide convenient illumina