1. Simple metal design, lightweight and portable 2. A total of 9 reverb tones, suitable for most musical styles and instruments 3. High-performance digital signal processor, detailed reverb sound 4. Hardware pass-through function 5. Input/output connection type: standard 1/4-inch mono jack/TS 6. Power supply 1: DC 9V 300mA (external positive and internal negative) 7. Power supply 2: USB 5V 300mA 8. Dimensions: about 11.2 x 6.8 x 4cm 9. Weight: about 230g