[Rechargeable High Capacity Battery] :One button automatic dog paw cleaner, USB charging with built-in 2000mAh rechargeable lithium battery, fully charged of 2.5 hours can last for 10 days,USB cable included(No Plug) [SAFETY Cleaning]: Dog paw cleaner cup is constructed of 157 food-grade soft silicone bristles, gentle, elastic and durable for deep cleaning & caring, which to keep the paw's hygiene. [Easy Disassembling & Cleaning]:3 steps to wash the cleaner cup after using,remove the cover of washer firstly ,remove the silicone brush pad and wash the brushes directly.