Crush your fitness goals with a multifunction smartwatch featuring an array of sport and health modes made to keep you moving. 43mm case Buckle closure Water-resistant screen Lithium-ion battery Battery can last up to 5 days on a full charge Multisport mode options Receive notifications for calls, text messages, social media and other apps Health monitoring includes heart rate monitor, goal tracking, sleep mode and more Compatible with iPhone and Android Stainless steel/glass/silicone Imported