Htek UC924E User Manual page 171

2) Long press the multifunction key on the Bluetooth headset until the indicator LED
alternately flashes red and blue.
The Bluetooth headset is in pairing mode.
How to scan the Bluetooth headset device on phone interface:
1. Press the Scan button on phone interface:
2. The phone will enter the scan interface
The phone starts searching for Bluetooth headsets within the working range of 10
meters (32 feet).
3. There will displays all detected Bluetooth headsets on the phone:
BT Feature
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