Features: 
Full metal shell, durable and exquisite. 
4 controlling knobs are accurate and high sensitive. 
Volume knob: Adjust the output volume. 
Voice knob: Adjust the color of overdrive. 
Tone knob: Adjust the brightness. 
Gain knob: Adjust the gain. 
Output jack: 1/4" mono audio jack for signal output. 
Input jack: 1/4" mono audio jack for connecting guitar. 
True bypass footswitch and lever designed to prevent stamping on operation knobs. 

Specifications: 
Model: AROMA  ADR-3 
Effect: Simulator 
Material: Aluminium Alloy 
Input Impedance: 470 Ohms 
Output Impedance: 1K Ohms 
Current Draw: 7 mA  
Power supply: AC Adapter 9V DC (not included) 
Item Size: 9 * 3.8 * 4.8cm / 3.5 * 1.5 * 1.8in 
Item Weight: 151g / 5.3oz 
Package Size: 12 * 7 * 6.5cm / 4.7 * 2.7 * 2.5in 
Package Weight: 246g / 8.6oz 

Package List: 
1 * Guitar Effect Pedal 
2 * Adhesive Tape 
1 * User Manual (English !#!amp!*! Chinese) 
1 * Hardcover Box