The Casio G-Shock G�Mix smartwatch borrows the same form and function as the original G-Shock models. What makes the G�Mix different is that it�s designed to accommodate music lovers. A rotary switch can be used to change tracks, change the volume, or adjust equalizer attributes. Other music centric features and functions are included too. The watch can sync with Android and iOS phones via Bluetooth. There are a ton of colors to choose from including black, purple, blue, red, pink, white, silver, and more.