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5.

 

Safety 

FCC Disclaimer 
 

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. 

 

Consult the dealer or an experienced radio/TV technician for help. 
 

FCC Caution:    To assure continued compliance, any changes or modifications to this device not 
expressly approved by manufacturer could void your authority to operate this equipment. 
 
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. 
The device has been evaluated to meet general RF exposure requirement. The device can be used 
in portable exposure condition without restriction. 
 
 

Declaration of Conformity for EU Countries 

 
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EMC Directive 2014/30/EU (including amendments) 

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Low Voltage Directive 2014/35/EU 

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RED Directive 2014/53/EU (if product has RF function) 

 

WEEE Disposal instructions 

 
Do not throw this electronic device into the trash when discarding. To minimize pollution and 
ensure utmost protection of the global environment, please recycle it. 
 
 

Summary of Contents for DOLFIN CK1

Page 1: ...1 7 TWS Earphone DOLFIN Quick Guide V0 1 Inventec Appliances Corporation ...

Page 2: ...will power up automatically Press and hold the function key to start bluetooth paring 2 Enable bluetooth on your smartphone scan and select Dolfin from bluetooth device list and tap to connect Once paired the earphone will be added to the paired device list 3 Wear your earphone You will first hear a soft beep indicating that the earphone has been detected Pairing Reset Key MIC Earphone Charging Co...

Page 3: ... select Dolfin from the scan list and tap to pair 4 Once paired your earphone will be added to the paired device list and be connected 5 Later every time your earphone powers up it will connect the last paired system automatically 6 If you fail please repeat step 1 4 If connection fails you can restore your earphone to factory settings and connect again To do this please follow the steps as below ...

Page 4: ...er twice 5 LED remains green case battery is fully charged 6 After showing the power status the earphones will be automatically charged and LED indicator will be off Note The above data are measured based on the new battery in the charging case in laboratory condition Due to the characteristics of lithium batteries the battery capacity may undergo attenuation during use which may lead to a decreas...

Page 5: ...ters dependent on environment Driver Unit 13 1 mm MIC Sensitivity 38 dBV Pa Frequency Response 16 Hz 20 KHz Battery Type Li ion Battery Capacity 25 mAh earphone 350 mAh charging case Duration About 3 hours earphone About 24 hours with charging case Charging Time About 1 hour earphone 2 hours charging case Input 5V 1A Weight 3 15 gram single earphone 3 Cautions 1 If you use the earphones for the fi...

Page 6: ...charging time of the product are based on IAC laboratory test results The actual value may vary depending on the use environment personal preferences and different chargers 4 Harmful Substances in the Product Parts Harmful Substances Pb Hg Cd Cr VI PBB PBDE Earphone oBattery Charging Case Charging Cable This form is in compliance with SJ T 11364 Means that the content of the hazardous substance in...

Page 7: ...the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help FCC Caution To assure continued compliance any changes or modifications to this device not expressly approved by manufacturer could void your authority to operate this equipment This device complies with part 15 of the FCC Rules Operatio...

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