<!--ProdInc[170089003]/Mall:[rei_US]--> Leave your charger at home on your next weeklong adventure?75 hrs. in full GPS mode and 30 days regular use means you can spend more time exploring without your watch dying Sapphire glass screen and grade 5 titanium alloy bezel protect the internal components while the PVD-coated sapphire glass stays scratch free Connects with all 5 major satellite systems Advanced dual-frequency technology allows more precise location tracking in challenging environments The APEX 2 Pro features a redesigned GPS antenna for stronger performance and an enhanced navigation experience when compared to the original APEX Pro Built-in barometer, altimeter and compass for improved navigation and elevation tracking Features a highly intuitive navigation system that gives you the tools you need when exploring the outdoors Free global offline landscape and topo maps let you access critical navigation information in the most remote locations Experience seamless on-wrist navigation by zooming in and out of the map with the Digital Dial, or dragging the map with the touch screen Next-generation optical heart rate sensor with improved accuracy Wide range of activity modes and third-party integrations The COROS App (iOS & Android) and Training Hub (web portal) allow you to track your progress and analyze your performance metrics With the COROS App and Training Hub, you can also build customized training plans, access a library of workouts or talk to your coach Free COROS Coaches service provides you with personalized suggestions to take your training to the next levelImported.