The FLY 3 is THE compact mini amp for your guitar and your phone or tablet. Combining two channels, Blackstars patented Infinite Shape Feature (ISF) and a built-in tape; delay its the perfect take-anywhere amp. Whether playing guitar, or playing your music, take a FLY 3 with you and always get incredible sound. Speaker emulated line out for silent; headphone practice. Revolutionary sonic performance and tone. Unique patented ISF tone control. Digital tape; delay effect built-in. Batteries required: 1 x AA (included). Size H12.6, W17, D10.2cm. Weight 1kg.