SUZUKI Interface Unit MX Tuner 2.0 2019-2025 RMZ250/450 32930-46K00/36890-28H00
Not to be used on the streets -only on track- do not use in California to make any mods

The Suzuki MX-Tuner 2.0 Interface Unit (part #32930-46K00) is a Wi-Fi-enabled device used to tune the electronic fuel injection and ignition settings on compatible 2019–2025 Suzuki RM-Z250 and RM-Z450 dirt bikes. The part number 36890-28H00, which is a battery wire, is also sometimes included in listings for the full MX-Tuner 2.0 kit. 
How the 
MX-Tuner 2.0
 works
The interface unit connects to your motorcycle and communicates with a smartphone or tablet via the free WiGet App, allowing you to modify your bike's performance in several ways.