• Supports TF card and U disk for playing music. • Automatically stores the last played song after power off (micro SD card only). • Can answer/hang up calls and connect to navigation. • Ultra-low power consumption: consumes approximately 5% electricity when playing 1 hour of music via Bluetooth. • Built-in intelligent microphone for clear call quality. • Acts as an FM transmitter to play audio through your car stereo. • Compact and portable design.