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It's dangerous when you ride a bicycle at night, especially at corner without turn on the lights. People can't see the light because it place too low this new product can hold on the helmet or seat bar with bluetooth and LED lights make this product more convenient. Put the light up can let people who behind you will see more clear. The most special in this product is it shape like a dragonfly, and when it light in the dark night not only protect your safe but make you fashion.