“Hum” could be something you wanna say ,but you are not goona talk much. You just move your lips to make sound. It is quite remarkable when white tooth & colorful lips was lightened. People would not only see you but also hear you.
The unique “Light Diffusion” technoloy prevent the light emits dazzling, blindy light, while guarantee the safety. It is easy to be mounted onto the Seat post of your bike and easy to be removed, which makes it easy for you to kick off your dark hours riding.
NET WEIGHT: 32 g / 1.13 oz
FUNCTION: Permanent- Fast flashing- Slow flashing – Off
MATERIAL: Engineering grade Plastic & Silicone