Perfect USB Rechargeable LED Dog Light Collar:Like ordinary mobile devices, the flashing dog collar can be charged via USB cable. In this way, you don’t have to worry about changing frequently out of battery. No additional charges will be incurred. Eco-friendly pure nylon material:The LED dog safety collar is made of nylon with padded neoprene rubber material. This material is durable, flexible, easy to dry and super soft. The LED light-up dog collar is equipped with ABS buckles. The soft collar and plastic buckle bring comfort to your pet. Multiple LED modes for selection: The dog collar LED light modes are allowed to choose or change according to your preference. There are 3 different light modes: fast flashing, slow flashing or steady light. It works for more than 8 hours lighting per day. fully charged. Optional and adjustable collar length:Each pet collar has several different sizes, and you can measure your pet’s neck first and choose the most suitable size for your dog. It is