This product enables any optical fiber technology attached to the hats, clothing, toys, holiday dress, trademarks and logos can be on the light, by selling your product, we can according to your requirements for your specific production of different patterns and LOGO , the product through a lot of light flickering points can achieve a variety of effects; each cell continued to discharge more than 28 hours, if the discharge is intermittent, the objective existence even discharge 7 days long and free replacement battery, the minimum voltage to 2.2V; maximum of 5.0V. is a product promotion, marketing or fashion crowd with the best choice. Our company provides OEM services are welcome to sample, custom map.