Warnings
If the device does not turn on after switching it on, or it turns off after turning
it on, check whether the battery is fully charged. If it is OFF power, get it fully
charged and try again later. (We suggest charging the device 1x week if it is
not used for a long time.)
When the device works under LINE/AUX–IN mode, do not (!) increase the
volume of your mobile phone, PC, MP3/MP4 Player, CD, DVD etc. to a large
extend; a sonic boom or sound distortion may occur. In that case, decrease
volume either of mobile phone, PC, MP3/MP4 Player, CD, DVD or device. The
sound gets normal soon.
If the device fails to link to your mobile device or if it fails to play music after
being connected, the user shall check if the correct PIN code is entered or if
your mobile device supports A2DP.
Only charge the device with the DC 5V/500mA USB adaptor* (*not
included) or in USB slot of your PC with the provided original USB charging
cable. It would make the device fail to work or even damage the headphone if
it is not charged with recommended voltage.
Do not attempt to disassemble the device, it may result in short-circuit or
even damage.
Do not drop or shake the device, it may break internal circuit boards or
mechanics.
Keep the device in dry and ventilated environment. Avoid high humidity and
high temperature. Also batteries should not be exposed to excessive heat or
direct sunlight.
This device is not water resistant, therefore keep it away from moisture.
Keep the device away from little children.