Operation Manual
Copyright @ 2014 Phicomm Europe GmbH – print only for private use! 
page 3 of 49
LIMITATION OF DAMAGES 
To the maximum extent permitted by applicable law, in no event shall Shanghai Feixun 
Communication  Co.,  Ltd.  be  liable  for  any  special  incidental,  indirect  or  consequential 
damages  or  lost  profits,  business,  revenue,  data,  goodwill  or  anticipated  savings.  The 
maximum  liability  (this  limitaion  shall  not  apply  to  liability  for  personal  injury  to  the 
extent applicable law prohibits such a limitation) of Shanghai Feixun Communication Co., 
Ltd. arising from the use of the product described in this document shall be limited to 
the amount paid by customers for the purchase of this product. 
IMPORTANT HEALTH INFORMATION AND SAFETY PRECAUTIONS 
When using this product, the safety precautions below must be taken to avoid possible 
legal  liabilities  and  damages.  Retain  and  follow  all  product  safety  and  operating 
instructions. Observe all warnings in the operating instructions on the product. 
To  reduce  the  risk  of  bodily  injury,  electric  shock,  fire  and  damage  to  the  equipment, 
observes the following precautions. 
SAFETY PRECAUTIONS FOR PROPER INSTALLATION 
CAUTION: Connecting to a weaker inappropriate charger can result in an electric shock 
to your device. 
SAFETY PRECAUTIONS FOR PROPER SUPPLY UNIT 
Use the correct power source! 
This  product  can  only  be  charged  with  matching  standard  external  power  source 
appointed by Shanghai Feixun Communication Co., Ltd. 
Shanghai  Feixun  Communication Co., Ltd. is not  liable  for any device breakdown or 
safety accident arising from the use of unauthorized external power source. 
PRECAUTION OF HEARING LOSS 
GENERAL WARNING: To prevent possible hearing damage, 
do not listen at high volume levels for long periods. 
Permanent  hearing  loss  may  occur  if  the  receiver,  headphones,  speakerphone  or 
earpieces  are  used  at  high  volume.  Use  only  compatible  receivers,  headphones, 
speakerphones or earpieces with your device. Turn on the audio and check the volume 
before  inserting  anything  in  your  ear.  You  can  adapt  over  time  to  a  higher  volume  of 
sound that may sound normal but  can be damaging to your hearing. If  you experience 
ringing in your ears or muffled speech, stop listening and check your hearing. The louder 
the volume, the less time is required before your hearing could be affected. 










