This is a round gray radio button, which is blue on Google and Twitter. There is a small light gray circle in the large circle, which indicates that the radio button is enabled. It is usually used to indicate selection or that something is
🔛 turned on. This emoji is similar to the "On! arrow"
☑️ , and the difference is that the "On! arrow"☑️ supports multiple elections, while the radio button allows only one setting to be selected. Related emojis:
✅ 💻