1PROFESSIONAL DESIGN It protects the hair and scalp when using it and prevents hair from being pulled. It is suitable for everyone, even children. 2WIRELESS PORTABLE DESIGN Battery powered, it only needs two AA batteries (batteries not included), you can put it in the bag and use it at any time, suitable for all types of hair and wigs. 3SIMPLE METHOD OF USE Easy to operate, you only need to slide it on wet or dry hair to smooth out knots and tangles. It is the best way to deal with irregular hair. 4MULTIPLE USES Support for self use, it can also be shared with family members, and as a gift to children and lovers, they will like it. 5REQUIRES ATTENTION Since the product is battery powered, it may be consumed quickly. If you find that the comb does not work, please try to replace the battery with a new one first. Item Type: Detangling Brush Material: ABS Color: Purple Weight: Approx. 253g / 8.9oz Product Length: Approx. 26.5cm / 10.4in Comb Length: Approx. 3cm / 1.2in Power Supply: 2x1.5V AA Dry Battery (Battery Not Included) 1 x Detangling Brush (Battery Not Included) 1 x Protective Shell 1 x Screwdriver