Lenovo WD770-B Benutzerhandbuch

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.

●  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.

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.

W770 Wireless Headset.indb   4

2011-12-6   14:24:20