This bicycle seatpost with integrated rear light ensures the visibility and safety on the road with its glare-free LEDs.
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USB charging port located at the head of seatpost
The product can be charged using a micro USB 2.0 cable via the USB charging port located at the side of seatpost head. The battery indicator was built into the USB port, and the light turns blue if the battery duration is below 1 hour.
As for S311, S311E, and S311D, a ring-type mechanical stopper is provided between the third LED and the fourth LED in order to protect protruded LED and ensure the minimum brightness meeting the StVZO standard (only applicable to StVZO model).
The upper second LED also serves as a button to control lighting. It can change the LED mode as well as turn on/off the power supply.
LED usage hours
StVZO model: Max 15 hours (3 LEDs), min 10 hours (5 LEDs) International model: Max 100 hours (3 LEDs), min 10 hours (5 LEDs)
Various products can support different power source