The black guitar tuner can solve the noise problem, requiring strong bass and powerful power. It is also widely used by good bass or basses with a variety of tones. The black guitar tuner is produced in Zhejiang, China, and the price is negotiable or by telephone. The minimum order quantity can be customized according to customer needs. The black guitar tuner has beautiful tone and can be connected to electric guitars, electric basses, and other instruments. It is the main tuning device in the string group of modern orchestras. The black guitar tuner is overall black in design, with a longer black cable connecting the instrument. It is packaged in a blue cardboard box.