The Acoustic Junior GO amplifier provides complete, natural, best-in-class acoustic-electric guitar and vocal performance. This powerful, compact system includes two channels, each with studio-quality effects, suited for instrument or microphone use. Other useful features include Bluetooth wireless audio streaming and an integrated 90-second looper, which is ideal for solo performances. And because it has a rechargeable battery, you can unhook it from the wall and take your music with you wherever you go.