(Blue) 1 piece light up dog collar, USB rechargeable LED collar, fit to any size, safety collar for small, medium and large dogs. Suitable for all dogs - no more wasting money buying the wrong size collar. One size fits all necklaces that measure less than 50cm. Our LED dog collars can be cut to fit any dog, as well as cats or other pets. Rechargeable via micro USB - This LED pet collar can Be used with cell phone chargers, laptops, PCs, tablets, smart TV power adapters (micro USB cable included). Note: Only 5V USB adapters can be used. Super Bright Light - Shine with high quality modern LED lights. Allows your dog to see at night and in low light conditions. This LED dog collar will see your dog ahead and prevent your dog from having any accidents during night walks. Fully weatherproof - waterproof for use in the rain. Suitable for all conditions. Also suitable for using this dog collar on walks and camping trips. Adjustable and comfortable for your dog. 3 lighting modes: fast lighting, slow lighting and continuous lighting, just press the button on the collar. High quality 80 mAh for 6-10 hours of continuous use for 1.5 hours.