The watch can be paired with a mobile phone or used alone. If the iPhone is not at hand, audio from the Apple Watch can be played on Bluetooth headphones or speakers. How to play music on iwatch alone? How to play music separately on iwatch?
1. After the headset enters the pairing state, tap Bluetooth in the watch settings to complete pairing with the Bluetooth headset.
2. Open the “Music” app on your Apple Watch, rotate the Digital Crown to scroll through album artwork, and then tap a playlist or album to play it.
This article takes Apple Watch Series 6&&airpods pro as an example and is applicable to watchOS7 system