SPECS
Status LED
Yes (bi-colour)
Module size
68 x 31.6 x 11 mm (2.7" W x 1.2" H x 0.4"D)
Size range
XS-S: Strap length: 56–72 cm (22"–28")
Fits chest size 60–85 cm (23.5–33.5”)
M-XL: Strap length: 72–106 cm (28"–42")
Fits chest size 80–119 cm (31.5–47")
Weight
With XS-S Strap: 56 g (2.0 oz)
With M-XL Strap: 63 g (2.2 oz)
Module Only: 20 g (0.7 oz)
Button
Yes
Water rating
3 ATM
Battery type
CR 2032
Battery life
Up to 12 months (using 1 hour per day)
Battery door type
Quarter-turn (tool built into strap slider)
Detachable module
Yes
Smart Features
Pairs with Garmin Connect™ app
Transmits data over ANT
Transmits data over BLE
Supports secure BLE connections (with compatible Garmin device)
Number of concurrent connections supported
ANT: No limit; Bluetooth Low Energy: 3
Fitness features
Heart rate and HRV (heart rate variability)
