Perform the following procedure to have the WM-1 cleared, and then pair them again.
iOS
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- Open Bluetooth settings screen.
- Tap the “i” button next to “WM-1” shown in the device list.
- Tap “Forget This Device.”
- Tap the [Forget Device] button.
macOS
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- Go to “System Preferences.”
- Click “Bluetooth.”
- Place the mouse pointer on “WM-1,” and click on the “X” shown beside it.