FM RADIO / AUDIO RECORDING: This box type PA Stereo and mic set has an FM Radio feature with automatic channel search and storage of up to 60 channels. It can also record audio as streamed through the Speaker System or vocals via the included wired handheld, headset, lavalier microphone BLUETOOTH CONNECTIVITY: This Speaker System has a built-in Bluetooth with Wireless Range of up to 65+ Ft for wireless audio streaming. it works with all of your favorite devices like iPhone, Android mobile phone, iPad, Tablet, PC SUPPORTS USB / SD CARD: The device is also equipped with USB / SD Card Readers and AUX 3.5mm Input cable for connecting external devices. Compatible with MP3 digital audio files RECHARGEABLE BATTERY: This battery powered heavy duty portable PA Speaker has a built in rechargeable battery which makes it convenient and portable. Perfect for personal, commercial indoor use. Charge the device using the included 12V charger / power adapter