The Wi-Fi module makes Yokomo's latest ESC BL-PRO4/RS4/SP4 easily programmable
Connect the Wi-Fi module to the ESC, perform Wi-Fi connection with your smartphone and you can update your ESC setting at any time. Note: The motor must NOTÂ rotating while you are updating the ESC
 The Wi-Fi module also have telemetry function that you can keep tracking the details of your ESC and your data is also stored as a log
BL-WM WIZARD for smartphones:
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For iPhone
IOS 9.0 or later. It corresponds to iPhone, iPad, and iPod touch