Lenovo W520 User Manual page 11

setting or the player setting on the
mobile phone.
 Some mobile phones do not have a
complete stereo Bluetooth module,
hence no function of music play
through a Bluetooth device. You can
connect the headset to other mobile
phones to check if the headset
works.
Problem: Some functions of the player
are not available on the headset.
Solution: Some functions of a player
are not supported by the headset.
Ensure that you use a compatible player
on the mobile phone.
Problem: Slow or no response when
buttons are pressed.
Solution: This might be a result of the
disorder of Bluetooth program caused
by incorrect button operations. Charge
the headset and reset it. Then,