Mooer Little Tank D15, Modeling guitar amplifier, 15 W Class-D power amplifier, 25 High quality amplifier models, 20 IR (Impulse Response) speaker simulations, 10 Modulation effects, 5 Delay types, 6 Reverb types, Integrated guitar tuner, LC display, 99 Programmable presets, Serial effect loop, Bluetooth connection for aux input, Bass, middle, treble, gain and master volume controls, Control buttons for play, tuner, save, amp, cab, mod, dly and rev, 4 Quick recall buttons (A / B / C / D), Power toggle switch, 6.3 mm Mono jack input, 6.3 mm Mono jack speaker output (at least 4 ohms), 2 x 6.3 mm Mono-jack send / return, 3.5mm Stereo jack headphone output, 3.5mm Stereo jack Aux-In, Power supply via 18 V DC power supply (2.1 x 5.5 mm barrel connector, polarity (-) inside) Battery operation not supported, Power consumption 1.2 A, Dimensions (L x W x H): 186 x 97 x 76 mm, Weight 670g, Includes power supply