This is the DOCTORAIR Stretch Roll S (stretching roller). [Product Name] DOCTORAIR Stretch Roll S SR-002 Black Red Vibration Stretch Roller Myofascial Release Body Care [Product Condition] Brand new, unused. Since it is an unopened item, you can use it with confidence. [Product Description] The DOCTORAIR Stretch Roll S (SR-002) stimulates muscles with its compact yet powerful vibration, making it ideal for myofascial release and body maintenance. You can choose from 4 vibration levels: 3 levels + rhythm mode, and adjust them according to your physical condition and the area you are using it on. It is a versatile stretching tool that can be used on the shoulders, lower back, thighs, calves, and other parts of the body. It can also be used as a stretch roll, vibration roller, myofascial release roller, massage roll, and stretching roller, and is recommended for fitness and daily refreshment. It is USB rechargeable and has a compact design, making it convenient to carry. The color is the popular black (black).