Fenda is a free Android app developed by ShenZhen BTW-Tech Technology. It allows users to control Bluetooth lighting and sound using their mobile device. The app offers various features such as Bluetooth connectivity, music player, control lights, light switch, AUX, USB card broadcasting, and FM FM radio.

With Bluetooth connectivity, users can easily connect to nearby Bluetooth devices. The music player allows users to play playlists on their phone and adjust the volume of the Bluetooth device. The app also offers a color wheel to control the colors of the lights based on the red, green, and blue color components.

Additionally, users can switch the lights on and off with just one step. Fenda also supports external audio input through the AUX feature, and users can play audio from a USB card using the USB card broadcasting feature. Moreover, the app offers an FM FM radio feature for users to listen to their favorite radio stations.

Overall, Fenda is a useful utility app for those who want to control their Bluetooth lighting and sound easily from their mobile device.