Can play the TF card MP3 format audio files, with built-in MP3 decoder. Play MP3 audio format.Biggest support 32 gb 2. Bluetooth version 3.0,  3. Output power: 3 w * 1, signal-to-noise ratio: 50 db, frequency response range: 50-20 KHZ, horn size: 52 mm * 1 outside the single magnetic core 4. 13 need 220 v plug, direct power supply 6. Using universal Micor5P filling pin 7. With the function of the LED lighting.8. With the function of remote control product size: 82 * 82 * 157 mm /