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WARNINGS: 

** The battery pack must be fully charged before first use.    An initial  5 hours charge 

is required to guarantee an acceptable service life for the rechargeable batteries. Always 

ensure  that  the  dongle  and  the  headphones  are  switched  to  the  Off  position  while  the 

batteries are charging. 

 

FCC statements   

This device complies with Part 15 of the FCC Rules.    Operation is subject to the 

following two conditions:    (1) this device may not cause harmful interference, and (2) 

this device must accept any interference received, including interference that may cause 

undesired operation. 

Warning:    Changes  or  modifications  to  this  unit  not  expressly  approved  by  the  party 

responsible for compliance could void the user's authority to operate the equipment. 

 

NOTE:    This equipment has been tested and found to comply with the limits for a Class 

B  digital  device,  pursuant  to  Part  15  of  the  FCC  Rules.    These  limits  are  designed  to 

provide  reasonable  protection  against  harmful  interference  in  a  residential  installation.   

This equipment generates uses and can radiate radio frequency energy and, if not installed 

and  used  in  accordance  with  the  instructions,  may  cause  harmful  interference  to  radio 

communications. 

 

However, there is no guarantee that interference will not occur in a particular installation.   

If  this equipment  does  cause  harmful  interference  to  radio  or  television reception,  which 

can  be  determined  by  turning the  equipment  off  and on,  the user  is  encouraged  to  try  to 

correct the interference by one or more of the following measures: 

 

Reorient or relocate the receiving antenna. 

 

Increase the separation between the equipment and receiver. 

 

Connect  the  equipment  into  an  outlet  on  a  circuit  different  from  that  to

 

which the receiver is connected. 

Summary of Contents for 43321

Page 1: ...Wireless Noise Canceling Headphones Item 43321 Instruction Manual Carefully read manual before using these headphones ...

Page 2: ...o sound that is virtually interference free Transmission is not restricted solely to line of sight Noise Cancelation Technology Digital Pairing System Headphone Transmitter Electronic Volume Control on Headphone Built in Rechargeable Lithium Battery packs in Dongle and Headphone Auto Shut off on Headphone Auto On Off RF function on transmitter 3 5mm Line in feature for corded headphone application...

Page 3: ...rn on your audio source and the LED will flash HEADPHONE RECEIVER Press the Power button for 3 seconds on the Right side to turn on wireless feature and Green LED will light The headphones are now linked with the dongle and LED will turn to Blue 1 2 4GHz On Off 2 3 5mm audio jack 3 PAIR 4 VOL VOL 5 ANC ON OFF 6 2 5mm DC jack 7 3 5mm audio wire Power button 2 5mm DC jack ...

Page 4: ...re on headphone by moving the On Off switch on the left side to Off Pairing If the headphones do not work after following the processes above start the pairing process over by pressing the Power button for 12 seconds in the dongle in shutdown state After that press the headphone pair button until the blue LEDs flash The LEDs will change to solid blue when pairing process is finished NOTE In order ...

Page 5: ...e to charge new batteries for 5 hours before using them for the first time in the dongle and headphone The red indicator light LED will be lit continuously during battery charging When charging is finished the dongle LED will turn green and headphone red LED will be off Reset The headphones dongle can be reset by connecting them with charging cable and power adapter Corded Headphone Application Th...

Page 6: ... been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference t...

Page 7: ...arrier frequency 2 4GHz Operating voltage Transmitter 3 7V Receiver 3 7V Lithium Rechargeable battery pack included Frequency response 90 Hz 20 KHz electrical Distortion 0 5 Signal to noise ratio 70dB Channel separation 40 dB Range Up to 15 feet open area Noise Cancelling 17dB ...

Page 8: ...t The headphone output level is set too low Adjust the volume to a suitable level DISTORTION Restart the Pairing process Pressing the Power button for 12 seconds in dongle shutdown state Then pressing the headphone pair until the blue LEDs flash The LEDs will change to solid blue when pairing process is finished The headphone dongle battery pack charge level may be too low Recharge the battery pac...

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