COROS Heart Rate Monitor 1 review 1 review VendorCOROS COROS Heart Rate Monitor 1 review 1 review VendorCOROS Product form $149.00 Free pickup in our Christchurch Store SKU: HRM-GRY Barcode: 810005782548 Quantity Add to cart Specifications Dimensions: 42.5 x 28.4 x 9.1mmWeight - Sensor Only: 9.7gWeight - Sensor + Band: 19gBand Material: Polyester fiber, nylon, spandexOptical Heart Rate Hardware: 5 LED lights with 4 photodetectorsArm Size: 7.09-12.6 inches (18-32cm)Wearing Position: BicepWater Resistance: 3 ATMWorking Temperature: -20C to 50CStorage Temperature: -20C to 60CCharging Temperature: 0C to 45C Battery Life Activity Mode: 38 hoursStandby Mode: 80 daysBattery Capacity: 55 mAhCharging Time: Less than 2 hoursCharging Cable: USB Type-A (Connects to the sensor using a magnetic interface