Quikcell CrossTrainer PRO User Manual page 14

Charging Red LED Light
Battery Low Red LED Light Flashes
Once Every 20 Seconds
With Reminding Tone
Notes: Earphones will turn off automatically after 10
minutes if not connected to any Bluetooth device
Pairing Time: 2 minutes. It will quit the pairing mode
and turn off automatically after 2 minutes no
connection is made.
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