QUALITY ASSURANCE—FCC, CE, RoHS certified with corresponding test reports. If you encounter any problems during use, we will help you at any time. EASY TO USE—One button operation. You can operate the trimmer with one hand while holding baby's hand with another. Simple function but can trim baby nails quickly and easily. LONG LIFESPAN AND UNIVERSAL GRINDING PADS—3 grinding pads available in the pack, which adapt to infants and children of all stages. Besides, you can get more different grinding heads from our store or in the market. No worries about compatibility problems. SAFE AND SECURE—Gentle grinding pads which can safely round baby's nails without damaging cuticle or soft nail bed within a few seconds. It slows or stops when touching baby's skin, completely safe. Only 1 AAA battery operated, economic design. (battery included in the package). SILENT GRINDING—This Electric baby nail trimmer is great for toddlers and babies who don’t like their nails being clipped. Quietly and comfortably do the job during sleep without waking them up!.