1 ## 3.16\. Companion Device Pairing
2 
3 Android includes support for companion device pairing to more effectively manage
4 association with companion devices and provides the [`CompanionDeviceManager`
5 ](https://developer.android.com/reference/android/companion/CompanionDeviceManager.html)
6 API for apps to access this feature.
7 
8 If 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