Blackstar amPlug2 FLY Headphone Guitar Amplifier Features: - Packs the sound of a Blackstar FLY into a compact headphone amplifier - Folding design rotates 180 degrees to fit any guitar - Auto power off feature to save battery life - Aux In jack lets you jam along with your music player - 3 selectable channels and an ISF control give you a great range of British and American amp sounds - Onboard delay, chorus, and reverb effects add depth and dimension to your playing - Up to 17 hours of battery life with AAA batteries