The difference between Apple Bluetooth headset 1 generation and Bluetooth 2 generation is mainly in the following aspects.
First, Bluetooth 2 features a new W1 chip that improves sound quality, stability, and battery life.
Second, Bluetooth 2 can be better paired with other Apple devices, more convenient.
In addition, Bluetooth 2 also has better wireless connection performance and support for voice calls.
Overall, the Apple Bluetooth headset 2 is more advanced than the first generation, and the performance is better.