Question: what is the difference between h1 chip and w1 chip?
Answer: The H1 supports a newer version of Bluetooth, allows for extended talk time over the W1, and supports "Hey Siri" for voice commands. ... For instance, the H1 is supposed to allow you to switch your AirPods' connection between your active Apple devices twice as fast as the W1. Latency for gaming is supposed to be 30% lower.