TRAIN WITH HEART The HRM 600 premium heart rate monitor is built for data-driven performance athletes looking for accurate heart rate and HRV data plus running dynamics. General Status LED yes (tri-color) Module dimensions (LxWxD) 2.7" W x 1.2" H x 0.4" D (68.0 x 31.6 x 10.0 mm) Size range XS-S: Strap length: 22"–28" (56–72 cm)Fits chest size 23.5–33.5” (60–85 cm)M-XL: Strap length: 28"–42" (72–106 cm)Fits chest size 31.5–47”(80–119 cm) Weight With M-XL Strap: 2.2 oz (61 g)Module Only: 0.65 oz (18 g) Button Yes Water rating 5 ATM Battery Type Lithium ion Battery life Up to 2 months (using 1 hour per day) Detachable module Yes Charging method Garmin proprietary plug charger HRM Connectivity Pairs with Garmin Connect™ App Yes Transmits data over ANT Yes Transmits data over BLE Yes Supports secure BLE connections (with compatible Garmin device) Yes Number of concurrent connections supported ANT: No limit; BLUETOOTH Low Energy: 3 Activity Tracking Features Step counter Yes Calories burned Yes Distance traveled Yes Intensity minutes Yes TrueUp™ Yes Running Features Running Dynamics (with compatible smartwatch) yes (including step speed loss) Running pace and distance (with compatible smartwatch) Yes Fitness Features Heart rate and HRV (Heart Rate Variability) Yes Activity recording (controlled from Garmin Connect Mobile App) Cardio, Running, Cycling, Swimming, Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball, Mixed Martial Arts, Boxing Team sport speed and distance (with compatible smartwatch or Garmin Connect Mobile App) Basketball, Field Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball Swimming Features Swim interval heart rate stats (with compatible smartwatch) Yes Stores and forwards heart rate data (with compatible smartwatch) yes (swimming or stand-alone use cases)