Sony GTKXB7LC High Power Home Audio System with Bluetooth Extra Bass adds power to every bass line, Seamless streaming with NFC and Bluetooth, LED lights create a party atmosphere Two-way design for flexible setup, Party Chain lets you expand your speaker system, Audio input and output;Tuner :Yes USB port lets you plug in and play, ClearAudio+ enriches your music, Customize your settings with the SongPal app Runs on AC power only. The remote control uses 2 AAA batteries. Easy Bluetooth connectivity with NFCOne-touch This system can receive data in the AAC or LDAC codec format from a Bluetooth device