37″ 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 AUX Input Allows You to Play External Devices. Optical In & Coaxial Function (cable not included) . FM Radio with Preset Stations. LED Display . Output Power: 20W. 6 Bands EQ Settings. Radio Coverage: FM 87.5 – 108.0 MHz. Frequency: 500-20000Hz. Power Source: AC:100/240V, DC: 15V/2.5A.