compareIMILAB KW660021long battery lifeDisplay:1.28 ", 240x240 px, TFT, touchHealth:heart rate monitorBody:metal, IP68Strap:rubber/siliconeUser reviews 3Videos 10Photos 27Discussion4Prices 1Price from £37.49Compare prices and buy IMILAB KW661 store 1 offerLoading online stores list.