YOBYBO Card20 pro TWS Earphone Instruction Manual

Card20 pro
TWS Earphone Instruction

Products and accessories

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Charing Case| Earphon
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Working instructions| USB

Packing list: One pair of earphones, charging case, Type-C USB, Instruction manual

Power on & Power off

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Power On -Open the charging case| Power Off -Shut the charging case

Operations&Functions

Notice:

1. The earphones are using tapping mode, please complete the required operations in the tapping area;
2. If the time of tapping twice is too short or too long, it may no response or causes misoperations;
3. The method of pressing or touching can not make the corresponding functions active.

Music:

Calling:

Siri:

Reset

When two earphones can’t be matched, please see the below methods to reset.

1-Delete the corresponding Bluetooth connection: “CARD20” in the Phone Settings|
2- Put the earphone into the charging case and keep it close| After closing, it shows the red light
3- Take out two earphones separately and tap 5 times(separately or at the same time)  within 40 seconds| The red light of two
earphones flash 3 times
4-Put two earphones into the charging case and keep it close| After closing, it shows the red light
5- Take out two earphones separately and tap 5 times(separately or at the same time)  within 40 seconds| The red light of the earphones are bright  for 3 seconds
6-Again put the earphones into the charging case and keep them close| After closing, it shows the red light
7- Take out the earphones, it will rematch within 30 seconds| When it succeeds in matching, the blue  light flashes quickly

Indicator light description

earphone earphone:

flashes quickly
In charging| Finish charging| No matched| Waiting to be matched with phones
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Red light| Blue light first, then light out| Red and Blue light flash
| Blue light flash

Charging case:

flashes, light out after 4 seconds

Parameters

Notice

1. Try to use the minimum volume that we can accept, high volume for a long period of time will lead to permanent damage to hearing;
2. Keep the earphones and accessories out of reach of children, Children should be under of adult supervision;
3. Don’t immerse the device in water for a long time. Avoid using this product while swimming, diving or showering;
4. Do does not use this product in humid, dusty, or near the magnetic field, to avoid causing internal circuit failure;
5. Do not disassemble, modify the device, or insert foreign matter into the device, which may cause equipment damage;
6. Docacan’t put your finger or other parts into the hollow position of the charging case, to avoid physical injury;
7. The shell of the charging case is metal and the edge position is thin, please avoid using it at full blast;
8. Do not place the earphones in direct sunlight such as window, car dashboard;
9. Avoid storing the earphones in the environment below 15℃ or above 50 ℃;
10. Avoid charging the earphones or charging case in the environment below 0℃;

Note

changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the 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.

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.

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