Made of High Quality Meterial, Stronger And More Durable, Improve The Appearance Easy to use,Easy to replace Audio Neural Network Modeling Technology Reproduces the sound quality of speakers with ample dynamics. The imitation accuracy can reach 95-99%. ANN Software, Using ANN digital audio neural network modeling technology, it can learn and accurately replicate the sonic characteristics of various amplifiers, stomp boxes, or cabinets, enabling tonal sharing. The ANN function's understanding of sound is closer to human perception, allowing the POCKET AMP to accurately reproduce the sonic details of different devices. Color:As Shown Material:plastic Package Contents: 1 * Pocket AMP Mini Guitar Bass Amp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.