Solar gravity turn signal for motorcycle/electric bike/helmet. Both flat and curved surfaces can be pasted, and the mode can be switched with just one touch. Solar energy automatic charging, automatic energy-saving Built-in high-quality battery.
Solar gravity turn signal for motorcycle/electric bike/helmet. Both flat and curved surfaces can be pasted, and the mode can be switched with just one touch. Solar energy automatic charging, automatic energy-saving Built-in high-quality battery.