With Amaz Speaker Life is indeed Amazing. Double 15inches Speaker 

Inbuilt Rechargable 12V Battery, 

Two Handheld Wireless Microphones, AC/DC Function, USB,SD and TF Card, Fam Radio, Bluetooth, USB Record and playback, 5 band Equalizer, one Mic and Guitar Input Jack, 6-8hours Battery life, RCA Aux input and Output,

Model-AL6515