Smartphone compatible: Compatible with both Android and iOS systems. P67 waterproof smart watch: Get a waterproof smart watch Colours: Comes in either red or black. Built-in apps: Pre-loaded applications, monitor your heart rate and sleep status. IP67 waterproof: Can be dropped in a body of water up to a meter deep for half an hour. Materials: Case material made of alloy and strap made of silicone. | P67 Waterproof Smart Watch - Silver | Wowcher