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error Edifier
Error Code Red LED blinks twice every 5 minutes
Indicates Bluetooth connectivity issue or device is disconnected.
? What Causes This
Failed to establish a connection due to interference, distance or device unavailability.
✓ How to Fix It
Move closer to connected device and try re-syncing via settings. If persists, contact support.
Source: page 2 of the official manual
From the manual
This error code appears in:
Edifier WH950NB Bk Wireless Noise Cancellation Over Ear Headphones