Garmin Swim 2 GPS Swimming Smartwatch with Wearable4U Power Pack Bundle (Slate) 549

[GPS swimming smartwatch for the pool and open water Battery life: up to 7 days in smartwatch mode 13 hours in GPS and optical heart rate (OHR) mode and 72 hours in pool and OHR mode Pool swim mode: records distance pace stroke count stroke type and SWOLF (gauges swimming efficiency) Open-water swim mode: uses built-in GPS for swims in lakes oceans or rivers; records distance pace stroke count SWOLF stroke rate and stroke distance Offers advanced features for staying on pace logging drills and more Includes free online analysis custom workout creation storage and sharing on Garmin Connect online community Connected features (paired with a compatible smartphone) include smart notifications and automatic uploads to our Garmin Connect online community Monitors underwater estimated wrist-based heart rate during swim activities]