Lenovo W770 - Manual (Page 5)

W770 Wireless Headset User Manual
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1. Connect 3.5 mm charging plug with the headset first, and connect USB connector of
the charging cable with USB port of the computer or USB port of dedicated charger.
Red LED lamp is on and the device enters the charging state.
2. When the charging is completed, red LED lamp is off. You could just disconnect the
charging cable.
Notes:
● This headset is equipped with inbuilt irremovable charging battery. Please do not
remove the battery to avoid the damage to the headset.
● The charging time of the headset battery for the first time should be 12 - 24 hours
to activate the best operating state of the battery. Later on, the charging time will
be 2 - 3 hours (please do not charge the device for over 24 hours to avoid the
damage to the service life of the battery).
● This 3.5 mm plug can only be used for connecting the charging port of over
W770, but cannot connect the audio port of the audio device such as PC.
VII. WeaRINg INSTRUCTIONS
1. Please distinguish the left and right side of the headset when wearing it: “L” on the
bracket indicates the left side, while “R” indicates the right side.
2. Both sides of the headset are equipped with collapsible headphones. The length can be
adjusted accordingly to make you enjoy the music comfortably! The stretched length is
24±1 mm.