1## 3.16\. Companion Device Pairing 2 3Android includes support for companion device pairing to more effectively manage 4association with companion devices and provides the [`CompanionDeviceManager` 5](https://developer.android.com/reference/android/companion/CompanionDeviceManager.html) 6API for apps to access this feature. 7 8If device implementations support the companion device pairing feature, they: 9 10* [C-1-1] MUST declare the feature flag [`FEATURE_COMPANION_DEVICE_SETUP` 11 ](https://developer.android.com/reference/android/content/pm/PackageManager.html?#FEATURE_COMPANION_DEVICE_SETUP) 12 . 13* [C-1-2] MUST ensure the APIs in the [`android.companion` 14 ](https://developer.android.com/reference/android/companion/package-summary.html) 15 package is fully implemented. 16* [C-1-3] MUST provide user affordances for the user to select/confirm a companion 17 device is present and operational. 18