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