Variable button increment picked from an input:range in React 18

Question

I'm a newbye in React. I created some simple Components to practice. For now, I'm using class Component (I want learn either class COmponent or function COmponent). I would know if I projected properly my Components or if I could have a better setting: My little application allow to increment a number of 1 by default, but I can change the increment picked from an input[type="range"]

Counter.js:

    import { Component } from "react";

export default class Counter extends Component {
  constructor(props) {
    super(props);
    this.state = { count: 0, increment: props.step || 1 };
    this.incrementCount = this.incrementCount.bind(this);
  }

  incrementCount() {
    this.setState({ count: this.state.count + this.props.step });
  }

  render() {
    return (
      <>
        <p>Il contatore attualmente è {this.state.count}</p>
        <button onClick={this.incrementCount}>Incrementa</button>
      </>
    );
  }
}

StepCounter.js:

import { Component } from "react";
import Counter from "./Counter.js";

export default class StepCounter extends Component {
  constructor(props) {
    super(props);
    this.state = { step: 1 };
    this.changeStep = this.changeStep.bind(this);
  }

  changeStep(e) {
    const clickedEl = e.target;
    const choosedStep = Number(clickedEl.value);
    this.setState({ step: choosedStep });
  }

  render() {
    return (
      <>
        <input
          type="range"
          name=""
          id=""
          min={1}
          max={10}
          step={1}
          value={this.state.step}
          onChange={this.changeStep}
        />
        <Counter step={this.state.step} />
      </>
    );
  }
}

and App.js:

import { Component } from "react";
/* import Counter from "./Counter"; */
import StepCounter from "./StepCounter";

export default class App extends Component {
  /*   constructor(props) {
    super(props);
  } */

  render() {
    return <StepCounter></StepCounter>;
  }
}

It works but, I repeat, I would know if I could improve the design.