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Wireless Duet Mode

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Equipment Charging

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Equipment Charging

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Declaration

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Contact Us

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Warranty

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Warranty Card

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Warranty Records

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1.  You can charge your microphone by portable  

  power source, computer USB port or power adapter;

2.  During the charging progress, the indicator will be in  

 red;

3.  When charging finished, the indicator will be off.

Note: 

If you turn on the power switch when charging, the 

indicator will be in white and red (in a pink light 

effect state).

It is recommended to keep the microphone off until 

the charging is completed. 

Note:

1.   In the power-on state, when the power of    

  microphone is less than 10%, the red indicator  

  light flashes, indicating that the power is low,  

  and you can hear the prompt voice of low power; 

2.  To use the power adapter for charging, you    

  should purchase a power adapter that has 

  obtained CCC certification and meets the  

 

  standard requirements. It is recommended to  

  choose a 5V 1A power adapter for charging;

3.  Do not charge the battery when the temperature  

  is below 0, because the low temperature may  

  cause the battery damaged. 

4.  Batteries must not be exposed to excessive heat  

  such as sunlight, fire, etc.

Customer Service:

CALF products are covered by an 12-month limited 

warranty from the date of its original purchase. If any 

problems occur,  please contact our support team.

We can only provide after sales service for products 

that are sold by CALF or CALF authorized retailers and 

distributors. If you have purchased your unit from a 

different place, please contact your seller for return and 

warranty issues.

Website: http://www.calfglobal.com

Mail Support: [email protected]

Warranty Regulations:

Within 7 days from the date of purchase, if CALF speaker 
microphone has quality defect, the customer may choose to 
refund the purchase at the invoice price or replace it with a new 
one of the same model and specification.
Within 15 days from the date of purchase, if CALF speaker 
microphone has a quality defect, the customer may choose to 
replace it with a new one of the same model and specification;
The period of warranty services (repair, replacement and refund) 
for CALF speaker microphone is one year;
The warranty will be invalid if it is altered.
When there is no warranty card, or the valid receipt is lost, or 
thewarranty period has expired;
When the damage is caused by failure to use, maintain or store 
the product as required by the instruction;
When the damage is caused by force majeure such as fire disaster, 
flood, lightning stroke, etc.;
When the product model or code on the warranty card is not in 
line with the product;
When the damage is caused by disassembly and repair by non-
CALF authorized service personnel;
In cases mentioned above, the consumer may seek a solution 
from related responsible party or choose paid service;
Normal discoloration, wear or consumption generated by the use 
of the product are not faults included in the warranty scope;
Please understand that any product failure caused by customer’s 
own reason does not fall into the scope of after-sale service.

FCC Statement:

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. Changes or modifications 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. 

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

The device has been evaluated to meet general RF exposure 

requirement. The device can be used in portable exposure 

condition without restriction.

Environmentally friendly disposal. Old electrical 
appliances must not be disposed of together with 
the residual waste, but have to be disposed of 
separately The disposal at the communal collecting  
point via private persons is for free.  The owner of old 
appliances is responsible to bring  the appliances 
to these collecting points or to   similar collection 
points With this little personal effort, you contribute to 
recycle valuable raw materials and the treatment of 
toxic substances.

Safety information:

1.  The temperature range of the battery is -20-60℃ in    
  transportation and -20-60℃ in storage.
2.   Don't put the battery into fire or a hot oven, or mechancially  
  crushing or cutting a battery, that can result in an explosion.
3.   Don't leave a battery in an extremely high temperature  
  surrounding environment that can result in an explosion or the  
  leakage of flammable liquid or gas. 
4.   Don't low than 86kPa air pressure that may result in an  
  explosion or the leakage of flammable liquid or gas.
5.   Don't replace the battery pack with an incorrect type that can  
  defeat a safeguard. 
6.   Don't charge the battery under the following conditions: 
  A:in direct sunlight, temperatures below 5℃;
  B:The maximum battery surface temperatures 52℃。
7.   If you listen at a high volume for a long time, there will be a  
  warning signal.
8.   Please use USB2.0 and below ports for power.
9.   The normal working temperature of the product is 0-40℃ .

EU Declaration of Conformity
Hereby, Beijing Changba Technology Co.,Ltd. declares that the 
radio equipment type is in compliance with Directive 2014/53/EU. 
The full text of the EU declaration of conformity is available at the 
following internet address: 

http://www.calfglobal.com

CAUTION:

RISK OF EXPLOSION IF BATTERY IS REPLACED
BY AN INCORRECT TYPE. 
DISPOSE OF USED BATTERIES ACCORDING
TO THE INSTRUCTIONS.

To prevent possible hearing damage,do not listen at high 
volume levels for long periods.

3.  Press and hold the "" button on either of the

   two microphones as the main microphone for 2  

  seconds and the work indicator will flash quickly.  

  When the two microphones simultaneously prompt  

  “duet mode on”, and the main microphone prompt  

  “please connect your phone”, the two microphones 

  are successfully paired;

4.  Turn on the Bluetooth on your phone, search and

  click “CALF speaker microphone C12” to enable  

  the Bluetooth connection (only can sort out  one  

  microphone);

5.  Open Changba or other karaoke apps on your phone  

  and adjust to the proper volume;

6.  Start singing together with friends.

Special Note:

1.  Wireless Duet Mode requires two CALF speaker  

  microphones, and does not support pairing of more  

  than two devices;

2.  After the two microphones are paired successfully,  

  shutting down or resetting any one of the    

  microphones will disconnect the pairing state.

3.  Wireless duet mode does not support Bluetooth  

 recording. 

Note: The radio type approval CMIIT ID is on the product nameplate.
Copyright @ Beijing Changba Science and Technology Co., Ltd. All 
rights reserved.

Beijing Changba Science and Technology Co., Ltd
http://www.changba.com

Part name

Toxic and Hazardous Substances or Elements

Plum-

bum

(Pb)

Mer-

cury 

(Hg)

Cad-

mium 

(Cd)

Hexava-

lent

chro-

mium

(Cr6+)

Polybro-

minated

biphenyls 

(PBB)

Polybro-

minated

diphenyl

ethers 

(PBDE)

Plastic 

case

Battery

Circuit 

board

cable 

connector

〇 : Indicates that the content of the toxic and hazardous 
substances in the homogeneous material of the part is below 
the limit requirements specified in GB/T26572-2011 "Limited 
Requirements for Restricted Substances in Electrical and 
Electronic Products".

X: Indicates that the content of the toxic and hazardous 
substances in at least one homogeneous material of the 
component exceeds the limit requirements specified in GB/
T26572-2011 "Limited Requirements for Restricted Substances 
in Electrical and Electronic Products", and there is currently 
no mature alternative in the industry scheme, in line with 
the environmental protection requirements of the EU RoHS 
directive.

Customer name: 

Phone number: 

Customer address:

Product name:  

Product model: 

Factory number:  

Means of purchase:

Date of purchase: 

Record of first service

Delivery time
Fault condition

upon delivery

Fault reason

Fault handling

information
Certificate of return

and replacement
The date of handover

for examination
Signature of the

maintenance stuff

Record of second service

Delivery time
Fault condition

upon delivery

Fault reason

Fault handling

information
Certificate of return

and replacement
The date of handover

for examination
Signature of the

maintenance stuff

UC CC

Содержание C12

Страница 1: ...CALF SPEAKER MICROPHONE C12 User Manual ...

Страница 2: ...CALF Speaker Microphone C12 Product Overview Charging cable X 1 Audio cable X 1 1 ...

Страница 3: ...ntroduction 2 Connect it to power bank computer USB port or power adapter to charge the product Some devices common to Android and Apple systems need it to be used with an adapter cable USB charging cable Audio Line ...

Страница 4: ...Button Introduction 3 1 Work indicator 2 Speaker volume control button 3 Microphone volume control button 4 Original sound cancel button 5 Power button sound effect control button ...

Страница 5: ...4 6 Bluetooth reset button 7 3 5mm earphone cable port 8 USB cable port 9 Audio cable port Button Introduction ...

Страница 6: ...t grades 4 Cancel the original sound button Press the button for a short time to turn on off the original sound function 5 Power button sound effect control button Press and hold the button for 2 seconds to turn on press and hold it for 3 seconds to turn off in power on state click thebutton the microphone goes into the next grade in the sequence of original mode super reverb mode singer mode pop ...

Страница 7: ...Bluetooth Instructions 6 ...

Страница 8: ...LF speaker microphone has been turned on open the Bluetooth of your phone and search for the equipment Then click CALF speaker microphone C12 for connection When it is successfully connected the equipment will give a corresponding prompt tone that says Bluetooth connected 3 Indicator description When the Bluetooth is not connected the white indicator will keep blinking for 1 minute and it will the...

Страница 9: ...ameter of the capsule Sound head type Sensitivity Frequency response Directionality Speaker power Battery capacity Charging power supply Weight XiaoChang C12 Bluetooth 5 2 Reverb EQ adjustment Listening Wet Recording Dry Anti cell phone SMS interference 9 7mm Condenser sound head 37 3dB 20Hz 20kHz Supercardioid 1X5W 1500mAh DC 5V 1A 305g ...

Страница 10: ...p function 3 Connect your phone through Bluetooth 4 Turn on Changba or other music player APP then adjust the phone or speaker to a proper volume 5 Play the music and enjoy using it Special instruction To prevent secondary playback of the amplified music to be picked up by the microphone which impairs sound quality the microphone pickup function may be directly turned off by pressing and holding t...

Страница 11: ...n on the Bluetooth of the mobile phone search for CALF speaker microphone C12 and click it to connect to the Bluetooth 3 Adjust the power button sound effect control button to select the appropriate sound effect 4 Open Changba or other music player APP adjust the microphone to a proper volume play the music and enjoy it ...

Страница 12: ...Wireless Duet Mode 11 1 Switch on the power of two CALF microphones 2 Press and hold the Bluetooth reset button to disconnect the microphones and other equipment ...

Страница 13: ...phone search and click CALF speaker microphone C12 to enable the Bluetooth connection only can sort out one microphone 5 Open Changba or other karaoke apps on your phone and adjust to the proper volume 6 Start singing together with friends Special Note 1 Wireless Duet Mode requires two CALF speaker microphones and does not support pairing of more than two devices 2 After the two microphones are pa...

Страница 14: ...arging 13 1 You can charge your microphone by portable power source computer USB port or power adapter 2 During the charging progress the indicator will be in red 3 When charging finished the indicator will be off ...

Страница 15: ...icator light flashes indicating that the power is low and you can hear the prompt voice of low power 2 To use the power adapter for charging you should purchase a power adapter that has obtained CCC certification and meets the standard requirements It is recommended to choose a 5V 1A power adapter for charging 3 Do not charge the battery when the temperature is below 0 because the low temperature ...

Страница 16: ...bstances or Elements Plum bum Pb Mer cury Hg Cad mium Cd Hexava lent chro mium Cr6 Polybro minated biphenyls PBB Polybro minated diphenyl ethers PBDE Plastic case 〇 〇 〇 〇 〇 〇 Battery Ⅹ 〇 〇 〇 〇 〇 Circuit board Ⅹ 〇 〇 〇 〇 〇 cable connector Ⅹ 〇 〇 〇 〇 〇 ...

Страница 17: ... requirements specified in GB T26572 2011 Limited Requirements for Restricted Substances in Electrical and Electronic Products X Indicates that the content of the toxic and hazardous substances in at least one homogeneous material of the component exceeds the limit requirements specified in GB T26572 2011 Limited Requirements for Restricted Substances in Electrical and Electronic Products and ther...

Страница 18: ...s occur please contact our support team We can only provide after sales service for products that are sold by CALF or CALF authorized retailers and distributors If you have purchased your unit from a different place please contact your seller for return and warranty issues Website http www calfglobal com Mail Support support global changba com ...

Страница 19: ...y card or the valid receipt is lost or thewarranty period has expired When the damage is caused by failure to use maintain or store the product as required by the instruction When the damage is caused by force majeure such as fire disaster flood lightning stroke etc When the product model or code on the warranty card is not in line with the product When the damage is caused by disassembly and repair...

Страница 20: ...ses 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 th...

Страница 21: ...2014 53 EU The full text of the EU declaration of conformity is available at the following internet address http www calfglobal com CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS To prevent possible hearing damage do not listen at high volume levels for long periods ...

Страница 22: ...put the battery into fire or a hot oven or mechancially crushing or cutting a battery that can result in an explosion 3 Don t leave a battery in an extremely high temperature surrounding environment that can result in an explosion or the leakage of flammable liquid or gas 4 Don t low than 86kPa air pressure that may result in an explosion or the leakage of flammable liquid or gas 5 Don t replace the ...

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