Battery life: varies significantly with additional accessories, usage, and other factors. Testing conducted by Microsoft using preproduction units. xbox.com/elitebattery.
Button mapping: available via Xbox Accessories app for Xbox One and Windows 10.
Operating system updates: may be required. Go to xbox.com/xboxone/controller-OS for more information.
Xbox Accessories app features: including button mapping and profile configuration – are only available on Xbox One and Windows 10.