39" 2.0 Channel TV Sound System for Rich, Quality Sound. Built-In BT 2.4 Receiver Allows You to Connect to your iPad, iPhone, iPod, Smartphone, Android. Tablet, HDTV, Laptop, MP3 Player. Built-in USB Input Allows You to Play Music from a USB Flash Drive. Built-in SD Card Allows You to Play Music from an SD Card. Built-in AUX Input Allows You to Play External Devices. Optical In & Coaxial Function (cable not included) . LCD Display. Output Power: 50W. 6 Bands EQ Settings. Frequency: 500-20000Hz. Power Source: AC:100/240V, DC: 16V/3.5A. Full Function Remote Control.