Features:
Full metal shell, durable and exquisite.
3 controlling knobs and 1 switchare accurate and high sensitive.
Level knob: Adjust the effects level or volume.
Speed knob: Adjust the speed of modulation.
Depth knob: Adjust the depth of effects.
Mode switch: Switch between 11 modulation effects of sine wave chorus, triangel wave chorus,positive flanger, negative flanger, jet flanger, vibatio, uni-vibe, vintage phaser, opto tremolo, bias tremolo and auto filter.
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 AMS-3
Effect: Ensemble
Material: Aluminium Alloy
Input Impedance: 470K Ohms
Output Impedance: 100 Ohms
Current Draw: 68 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: 241g / 8.5oz

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