The download process varies slightly depending on your smartphone's operating system: Search for "Yuyangking" directly on the Google Play Store . The app requires Android version 4.4.4 or newer.

The primary app is often listed as or "Yuyangking" on the Apple App Store . It requires iOS 7.1 or later.

Once connected via the Bluetooth pairing password (commonly ), the app provides two main functions: 1. Real-Time Performance Monitoring

Newer YYK controllers may require the use of a WeChat mini-program instead of a standalone app. Key Features and Customization