From Maclan Racing:
The Maclan Racing Wireless Link is designed for transmitting data wirelessly between Maclan Racing ESC and mobile devices (Android OS with 5.0 or later, and iOS with 13 or later). With Maclan Racing Smart Link App, it allows ESC programming, firmware updating, and viewing data logs.
Interface: micro USB connector
WiFi Protocol: IEEE802.11 b/g/n
Weight: 9g (with 10cm lead and micro USB connector)
Supported OS: Android OS 5.0 or later, Apple iOS 13 or later
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