The Bluetooth app on these Android head units is generally called or "BT Phone." It functions differently than the Bluetooth on a standard factory car stereo because it is running on a full Android operating system.

| Feature | Description | |---------|-------------| | | Manual selection of 16 million colors for RGB devices. | | Dynamic Modes | Preset effects (fade, strobe, flash, smooth transition). | | Music Rhythm Sync | Uses smartphone microphone to modulate lighting intensity based on ambient sound. | | Timer & Schedule | On/off scheduling (requires app to maintain Bluetooth connection). | | Device Grouping | Control multiple Yuyang Bluetooth receivers simultaneously. | | IR Replacement | Some versions include a button-learning feature for legacy IR remotes. |

: Set battery and phase current limits to protect your motor or squeeze out extra performance.

: Remotely lock the motor to prevent the vehicle from being moved. Monitoring

If your Yuyang King device supports ANC, the app provides granular control:

Many newer Yuyang/Joying units have .