We offer immediate purchase approval. Our store deals exclusively in authentic products, so please feel confident in making your purchase. Unused SALTED SMART INSOLE SI-GP190 is for sale. This is an innovative insole that evaluates body balance and improves golf swings and training. By understanding your body balance and weight shift, you can improve your golf shots. S size * Although originally unopened, we will open it for inspection. Also, as it is an item with no signs of use, we will list it as unused, based on our judgment. * There is some slight whitening due to storage. * We have confirmed that the charger is working, but we have not checked for long-term operation. Also, please note that we have not checked the Bluetooth communication/connection or the operation using smartphones, PCs, or other devices. * We kindly ask that those seeking perfect items or those who do not understand used items refrain from purchasing. ● Regarding the accessories, only those mentioned in the description are included. ● Accessories and boxes not shown in the images are not included. ● Because it is a used item, there may be repairs or size adjustments. ● The color of the image and the actual item may differ depending on your computer settings.