Troubleshooting - Lenovo W520 User Manual

To charge the Bluetooth headset, find a
USB charging cable of a mobile phone
first. Connect one end of the USB cable to
the headset and the other end to the USB
connector on a computer, a mobile phone
power adapter, or a portable power bank.

Troubleshooting

Problem: The device cannot be
powered on by pressing the power
button.
Solution: Ensure that the headset is
sufficiently charged.
Problem: The mobile phone or
computer cannot be connected to the
Bluetooth headset.
Solution: Follow the correct pairing