Garmin HRM 200 Heart rate montior

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 Status LED Yes (bi-color) 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 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