For multi-sport athletes who seek precision, performance and clarity Vivid 1.3-inch AMOLED touchscreen Fastest in class performance 30x Faster map and graphic rendering vs. APEX 2 Pro 2x Faster processor speed vs. PACE 3 38 hours of GPS activity tracking 20 days of daily use and sleep tracking Advanced optical heart rate and SpO2 (Blood Oxygen) monitor Global maps with turn-by-turn navigation For more information, please visit Coros&';s website: https://us.coros.com/pacepro