The SmartHalo attaches to the handlebars of any normal bicycle and, once paired with your smartphone, acts as a visual navigation guide, complete with turn-by-turn signaling

This device transforms any bicycle into a smartphone-powered smart vehicle

The SmartHalo attaches to the handlebars of any normal bicycle and, once paired with your smartphone, acts as a visual navigation guide, complete with turn-by-turn signaling

http://geekandhip.com/product/multi-functional-crank-flashlight/

Multi-functional Crank Flashlight

http://geekandhip.com/product/multi-functional-crank-flashlight/

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