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Overview and Specifications:

Main Features:
Intelligent design can sense acceleration and deceleration of bicycle
Never waste your money on batteries again. Built-in 1200mAh Li-ion battery, and its recharging time is about 3.5 hours
• The infrared ray light has high visibility, and its wavelength is 400 – 750nm
• Replaceable backside strap
• Perfect for improving your safety when riding a bicycle in the dark

• It is powered through micro USB interface

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