SteelSeries Stratus Duo Controller launched for Windows and Android phones Today SteelSeries is announcing a new controller in their stable of accessories dubbed the Stratus Duo, joining the Stratus XL from the company, and adding some new features and capabilities. The Stratus Duo is compatible with both Windows and Android, and offers both Bluetooth connectivity as well as a 2.4 GHz wireless adapter, and can switch between the two connections at the flick of a switch. The Stratus Duo will also be compatible with the new SmartGrip accessory