Donner Bass Guitar Headphone Amp Basement USB Rechargeable Mini Portable Amplifier for

Provides excellent experience of bass guitar playing, sound based on Ampeg SVT*. You can also turn on FX Function (WAH). Build-in recharge lithium battery, works for 5 hours after fully charged (USB charge cable included). Very small size and you can put it in your pocket when you go out, plug and play. 1/4" (3.5mm) Aux Input jack lets you play along with your CD/MP3 player. Power Supply: Lithium battery with LED power indicator.