I have confirmed that it works normally. There are many small scratches, so please purchase if you don't mind. [High-Precision Tuning] KORG's SH-PRO is designed to achieve precise pitch adjustment. A reliable tuner is essential, especially for instrumentalists. [Easy-to-Use Clip-On] The clip-on design allows for easy attachment to the instrument and can be used effortlessly even during performance. It's also convenient to carry around. [Highly Visible Display] The blue LED display is highly visible and easy to read even in bright environments. This allows for quick tuning. - Brand: KORG - Model: SH-PRO - Display Color: Blue - Clip Type: Clip-on - Shape: Cylindrical Thank you for viewing.