NEVER SCRATCHING YOUR PET'S SKIN AND REMOVING GOOD HAIR Dog grooming brush with 144 skin-friendly round head comb tooth, designed to penetrate deep into the coat and is really able to groom the undercoat well without scratching your pet's skin The slicker brush removes up to 80% of shedding fur from your cat or dog within minutes with this deshedding tool and never removing good hair. MASSAGES YOUR PET TO INCREASE BLOOD CIRCULATION Cat brush uses new design, with two comb heads can gently massages your pet to increase blood circulation(Note: Cat brush can't be automatically massaged, and you need to manually comb your pet's hair to massage.) Moreover, dog hair brush with circular head can gently eliminates tangles, knots, dander and trapped dirt. Ideal for both long haired dogs and cats. LEAVES YOUR PET'S COAT SOFT,FLUFFY AND SHINY Dog shedding brush can release negative ions and leave your pet's coat soft ,fluffy and shiny. Pressing the negative ions power button and the indicator turns green, cat grooming brush starts to release negative ions.(*The indicator will turn green just represent the product in the release of negative ions, do not do any other use.) SELF-CLEANING WITH A 4.PUSH OF THE BUTTON, making it easy to remove hair on the brush. COMFORTABLE & USE FOR UP TO 300 DAYS Cat shedding brush offers an ergonomic handle with a comfort-grip and a non-slip surface for extra comfort and control.(Cat hair brush is not waterproof, it's recommended to clean it with clean cloth.) 2*AA batteries are Not included.(The battery is only used to release negative ions, not for other purposes)