Full-format audio decoder

Support U disk, TF card, USB

U.S. SRS surround sound audio, Superior sound quality

Built-in switch electronic switch

Power:li-on battery, DC-5V power

Volume control, Digital song

contact mp3/4,computer,USB

Output: RMS 6W(3w+3w)THD=10%

Frequency reponse:15-~18000HZ

Loud speaker : 1.77inch(external diameter 45mm)magnetic resistant 4ohms.

Line in: configure 3.5mm stereo’s plugs.