VAANI MP3 Stereo Audio Player Decoder Module Kit with Remote for Amplifier(Black) Features: You need Amplifier Board & Speaker to use this Module. Bluetooth FM USB MP3 Audio Board with LCD Display IR Remote Control: YesLINE input (AUX)Song Number Display: YesSupport: Bluetooth/ FM/ USB/ MP3/ AUX/ SD Frequency Range: 87.5-108MHZ Led Seven Seg DisplaySupport: 32-320 kbps MP3 Songs Support: FAT 32, FAT 16 File SystemExternal Antenna Connection for FMPLEASE NOTE THAT DESIGN, SHAPE & COLOUR MAY VARY FROM THE PICTURE SHOWN ABOVE.This unit is used to feed a Amplifier, from Amplifier you can drive Speaker. Do not connect Speakers Directly to this UNIT.Power & Output Specification:Input Supply: 5V (You can use regulator IC LM7805 to bring the supply to 5V)S/N: 65dBDistortion: 0.2%Output: 550 mVSeparation: 45 dBAuto-Search Station: 22-28 dBFrequency Response: (90HZ~15KHZ)Dimensions:Length: 41mmWidth: 32mm