Turn any ordinary music system or car stereo into a wireless device instantly with the Auto 17 Smart Audio Connector. With the latest 5.1 Bluetooth technology, it lets you enjoy seamless wireless connectivity and cut unnecessary power drainage. Connect your smartphone with the Auto 17 via Bluetooth to enjoy true wireless freedom. You can also play songs using a Micro SD card and USB connectivity. With close to no setup time, it is extremely portable & lightweight. It is also equipped with a Smart voice search assistant to let you easily multitask, just say Siri or Ok google to activate. The built-in microphone has CVC technology that reduces background noise and ensures clear sound output while talking. It is widely compatible and supports playing WMA/MP3/WAV/FLAC music formats.