Features: Powerful sound & reliable endurance-enough volume for room and living room practice, plugging in or 2a battery,3 hours playtime on fully, package included charging cable. Two channels,there are two tone channels (clean/distortion). you can choose different tones by adjusting gain-and tone, which is more suitable for playing different styles of music. Innovative design,small size yet huge energy, aux input can be linked to analog audio-and headphone output is suitable for silent-practice,box output can be linked to large guitar box,use scur box head. Package included charging cable, or you can use any 5V battery charger(Rated-Output Currrent≥1A). Small size,small size,it is easy to carry. Specifications: Material:ABS+Metal Plug In Style:1,2,3,4 Package Includes: 1 Piece Mini Guitar Amp note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item.