1. Powerful Vacuum Baby Hair Clipper: A vacuum device inside the hair clipper. Most of the cut hair will be automatically sucked into the hair bank, which will not make the baby feel uncomfortable and more relaxed.2. Quiet: The operating noise is lower than 50dB, making your baby feel more relaxed and no longer afraid of cutting hair. Even if the baby is asleep, parents can use this quiet hairdresser to cut their baby's hair without worrying about waking them up.3. Cordless: USB portable charging can be charged from desktops, laptops, portable power sources, etc. Cordless design provides you more convenience.4. Safe R-type blade: Special R-type design blade, widened round tip, ceramic blade protects scalp from scratches, safer and more assured to use. Comes with two different sizes of limiter combs for trimming corresponding lengths of hair.5. Waterproof and: This baby hair clipper set is waterproof and easy to remove and clean. You simply treat your hair with the cleaning brush provided, then rinse the clipper body with water.