The Radley London Calling Smartwatch in Navy Blue with a 35mm case size and a silicone strap in navy blue is a stylish and functional accessory. It features a range of fitness tracking tools such as a step counter, heart rate monitor, and sleep tracker. This smartwatch is water-resistant and comes with a 12-month manufacturer warranty. It is unlocked and compatible with both iOS and Android operating systems, offering a seamless user experience. The smartwatch's metal case in purple adds a touch of sophistication to the overall design, making it a versatile choice for everyday wear. Comes with box and charger no instructions however please download radley fitness app on ios or android and follow the easy set up steps provided,