A good Apple data cable needs to meet the following requirements:

1. The data cable must be of high quality and be able to provide stable data transmission and charging functions.

2. The data cable must have good durability and toughness, be difficult to break, and be able to be used for a long time.

3. The data cable must comply with Apple's certification standards to ensure compatibility with Apple devices.

4. The data cable must have a high-speed transmission rate and be able to meet modern people's demand for data transmission speed.

5. The data cable should be compact and portable, making it convenient for users to use on business trips, travels and other occasions.

In general, a good Apple data cable needs to be stable, durable, compatible, fast, and portable. It can meet the daily needs of users and be more comfortable and secure to use.