Pedal tuning twelve equal temperament effect

KOKKO portable mini pedal dual mode high precision bass guitar tuner LED monitor display tuner guitar parts accessories
Features:
Large LED display, dual display mode.
High sensitivity with downshift function (can be reduced to 4 semitones)
specification:
Main material: aluminum alloy
Color: black product
Power supply: 9V DC
Description:
The tuner is a simple high-precision tuning block.
You can use seven-string guitar and five-string bass.
The exact value reaches an incredible ±1 cent, and the response is fast.