Boasting a super small size with low noise, and a near bottomldepth of spring reverb sound.Mix pot to balance dry/wet degree.Dwell pot for adjusting bit reduction rate.True bypass switch achieves zero-loss of tone, with a LED indicator to state working condition.Single 1/4inch monaural input and output jacks, 9V DC adapter power supply, current draw is 85mA. MP-51 Spring Reverb Mini Single Guitar Effect Pedal True Bypass Guitar Parts & AccessoriesEffect Type: Spring ReverbSignal Input: 1/4inch Monaural JackSignal Output: 1/4inch Monaural JackPower Supply: DC 9VSize: 9.4 * 4 * 3.2cm / 3.7 * 1.6 * 1.3inWeight: 140g / 4.9ozcolour: purpleMaterial: Aluminum alloyNote: The DC adapter not included.Package Contents:1*Effect PedalOnly the above package content, other products are not included.Note: Light 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.