LENCO EPB-450BK User Manual page 8

Power off: The left and the right of headsets will automatically power off after putting into the cradle.
Troubleshooting
The power light is not ON.
The earphone cannot connect with an Bluetooth device.
There is no sound from the earphone.
TECHNICAL SPECIFICATIONS
Charging voltage: 3.7V
Battery capacity: 55mAh
Charging time earphone: 1.5 hours
Charging time charging base: 1 hours
Playing time: Up to 3.5 hrs
Charging case battery capacity: 500mAh
IPX6 waterproof protection
Please check that the earphone is charged
Please check that your Bluetooth device is in Bluetooth
pairing mode
Please adjust the volume of your phone.
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