D300 8-in-1 Ultimate Smartwatch Combo. Do you want to change your watch look every day? Then this D300 smartwatch set is for you! Inside an attractive box, you get a premium quality smartwatch along with a bunch of useful accessories. Package Includes: This combo set is called '8-in-1' because it includes almost everything you need: Smartwatch: A modern smartwatch with a 2.19-inch large and bright 'Infinite Display'. 7 Different Colored Straps (Bands): Seven separate bands in silicone, woven, and metal designs.