Thank you for viewing. This is a DOCTORAIR stretch roll. It's a foam roller that allows you to adjust the vibration level in 4 stages, perfect for muscle care and stretching after training. Although it's an older model, it works perfectly fine. It has been used only a few times and is in overall good condition. The included charging adapter is also included in the set. 【Product Information】 ・Brand: DOCTORAIR ・Color: Black ・Model Number: SR-001 (Initial Model) ・Function: 4-stage vibration level ・Condition: Operation confirmed (blinking also confirmed) ・Frequency of Use: Low ・Accessories: Charging adapter Due to it being an older model, there may be some minor scratches and age-related deterioration, but it can be used without any problems. ※Please understand that this is a used item before purchasing. ※It will be shipped in simple packaging.