Yes no warranty no battery- Equipped with a variety of techniques in one device. Lifting massaging & lift care. The feeling of lifting is even more enhanced. (Comparison when using the stretch brush's lift mode & MID mode on the side of the head) Cares for the scalp with two attachments increasing firmness & firmness from the roots. (Comparison between washing by hand & using the close contact exfoliation brush/MID mode)- Rub & lift using two movements learned from a variety of salon techniques. Use the Wide Four Finger Spiral to vigorously massage a wide area & enjoy a comfortable head spa while shampooing. `` Stretch Slide'' cleanses the scalp by gripping it & you can feel the side lifts.