High-resolution touchscreen display - lightweight and compact with 2.3-Inch high-resolution capacitive touch display that works with gloves and when wet Group track - keep in touch with other riders in your pack with group track: you can see where your fellow riders are -offering peace of mind and enhanced situational awareness Performance features - includes VO2, recovery advisor, strava live segments, performance condition, stress score, advanced cycling dynamics, ftp and watts/kg tracking Connect IQ - download free custom apps and data fields. Compatible with Varia smart bike lights and rearview radar Battery life - new extended battery life for longer, more adventurous rides. Up to 15 hours; battery save mode will extend battery life up to 50% while still tracking the detail of your ride