UPSZTEC Digital Bluetooth Car MP3 Player / FM Radio Stereo Audio Music USB / SD with In Dash Slot AUX Input &hellip; 45 Watts x 4 Max Power, Electronic control Balance/Fader/Bass/Treble Bluetooth Hands Free & Bluetooth Audio Streaming - play music and apps like Spotify/Pandora wirelessly Support USB / SD / MMC card reader Preset 18 stations (frequency: 87.5-108 MHz Compatible with Audio out from Smartphones and MP3 Players