Garmin premium heart rate chest strap transmits heart rate data in real time via Bluetooth Low Energy and ANT+ Battery life of approx. 3.5 years (with average use of 1 hour per day) More training options to receive consistently accurate heart rate data on a Garmin device, online training apps or compatible fitness equipment during gym workouts Adjustable and comfortable premium heart rate chest strap made of soft material with removable heart rate module Color: Black Package Dimensions: 6.197 L x 17.297 H x 7.010 W (centimeters) HRM Dual heart rate transmitter. Note: Product is compatible with all Garmin devices
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