Product description Pet Grooming Clipper Washable Pet Clippers USB Rechargeable Low Noise Electric Pet Trimmer with Detachable Micro-serrated Ceramic Blade For Dogs and Cats, Eyes, Face, Ears, Paw, Around RumpTips for the Pet Clipper: 1. Please clean your pets before grooming. Make sure there is no sand, no dirt, no knot on the hair. This will make your pets feel more comfortable during grooming process and the grooming work will be more easier for you. 2. If you clean the blades with water, please dry up the blade and add some oil to the blade. Help the device maintain its best performance. 3. For the beginners, you’d better help your pets to wear an Elizabeth protective collar to avoid the cut hair getting into pets’ nose or eyes and cause them discomfort. 4. Please note it is normal that the blade getting hot after working for a period of time. It is better to let the device take a break for 10 minutes after working one hour or above. 5. If the indicator light doesn’t turn to green after Charging for three hours, it is normal. Please unplug the charging cable to stop charging. Do not overcharge the battery for a long time, which will cause the battery to heat up. Reduce battery life. 6. Please use the original USB charging cable for charging, if you want to connect the plug, please use DC5V 1A power supply, Do not use fast charge technology (9V), otherwise it will cause charging failure and even burn the machine. 7. Cordless rechargeable battery operation for convenient use anywhere. This pet trimmer comes with the changer, 3 hours quick charging for 2 hours use.Specifications: Type of Charging: USB Charging Time: 3 hours Voltage: 2.4V Rated Power: 5W Ideal for: Electric Pet Trimmer for trimming fur around rump, paw, ears, eyes, facePackage Included: 1* Pet Grooming Clipper 1*USB Cord 1*Brusher