Feature: 1. 18 Speaker Model: All speaker models are written by top level algorithms, driven by DSP, and the box models are sampled by IR technology for excellent sound quality. 2. Rich Interfaces: This guitar multi effects pedal features AUX IN, signal input, signal output, headphone output, USB and other interfaces, versatile and practical, plug and play. 3. Versatile Power Options: Convenient dual power options via 6 AA batteries (not included) or 9V DC adapter, providing up to 2.5 hours of playing time when using batteries. 4. IR Technology: The box simulation is based on IR technology, ensuring sound quality. Driven by highly real box head modeling, world renowned speakers seem to be right in front of us. 5. Drum Machine and Loop: The drum machine offers 6 types, with over 40 rhythm types to choose from. Looper can record unlimited stacking of recordings for 30 seconds, providing you with unlimited possibilities. Specification: Item Type: Guitar Multi Effects Processor Material: ABS Power Supply: 9V DC or 6 x AA battery (Battery Not Included) Effects Modules: Amp Cab 18, Dynamic 4, Drive 12, Delay 6, Reverb 4, Filter 3, Modulation 12 Effects Chain: Maximum 5 Modules Simultaneously Presets: 10-59 IR Sampling: 512 Point. Package List: 1 x Guitar Multi Effects Processor1 x Power Adapter1 x Plug1 x Chinese and English User Manual