Portable multi effect processor for electric guitar, with 6 effect modules, 99 factory presets, 99 user presets, 39 effect type, tap tempo functionality, 40 drum patterns & 10 metronomes, integrated tuner, 4 quick recall preset slots, and connectors: 6.3 mm mono IN/OUT jacks, 3,5 mm headphone output jack, 3,5 mm stereo AUX input jack. Power supply via 2x AAA batteries or 9V DC adapter (included: polarity (-) center, 300 mA). Dimensions (L x W x H): 81mm x 137mm x 32mm, weight 230 g.