Pet Flashing Collar USB Rechargeable Glowing Necklace Safety Collar Light Up Collars For Night Walking Electric Dog Collar NeonOverview: Charging instructions: Do not directly charge with high voltage mobile phones, if directly charged, it is easy to damage the power supply. The correct method is to use the computer's USB low voltage to charge it, plug it into the computer, before charging, the power supply must have electricity, you can keep the power supply active, and the service life can be extended. SAFETY PET COLLAR: Makes your pet dog be seen in low light conditions