What’s the reason for noisy sound?

kindly call us on 16852 from 10 am to 6 pm or fill in the Support form  on https://cardoo.co/support/ you will get a ticket number, Our team will call you within 3 working hours

Why the charging box won’t connect to the earbuds ?

1/ Charge the box with the original USB until 100% 2/Put the earbuds in the charging box If you have any questions call us on 16852 from 10 am to 6 pm or fill in the Support form  on https://cardoo.co/support/ you will get a ticket number, Our team will call you within 3 working hours

Why are the earbuds discharging so fast?

1/ Use the earbuds till reaching the 0% 2/ Put earbuds in the charging box until 100%  3/ Leave it charging with the original USB at least for 2 hours if you have any questions call us on 16852 from 10 Am to 6 Pm or fill in the Support form  on https://cardoo.co/support/ you will get a […]

Why the person I call doesn’t hear me?

CardoO earbuds support all phones, please follow these steps 1/ Click on settings  2/ Click on the unpairing word 3/ Put CardoO earbuds in the charging box.  4/ Charge the box with the original USB until 100% 5/ Take The 2 earbuds out from the charging box at the same time 6/ Pairing again If you […]

Why 2 Bluetooth appears?

CardoO earbuds support all phones, please follow these steps 1/ Click on settings  2/ Click on the unpairing word 3/ Put CardoO earbuds in the charging box.  4/ Charge the box with the original USB until 100% 5/ Take The 2 earbuds out from the charging box at the same time 6/ Pairing again If you […]

Why did it connect with one earbud, not the two?

CardoO earbuds support all phones, please follow these steps 1/ Click on the Bluetooth settings  2/ Click on the unpairing word 3/ Put CardoO earbuds in the charging box.  4/ Charge the box with the original USB until 100% 5/ Take The 2 earbuds out from the charging box at the same time 6/ Pairing […]

Why the charging percentage doesn’t appear ?

1/ Make sure the charging box is fully charged  2/ Make sure the charger is connected or change the charger If you have any questions call us on 16852 from 10 am to 6 pm or fill in the Support form  on https://cardoo.co/support/ you will get a ticket number, Our team will call you within 3 working […]

Why earbuds not working during call otherwise able to hear music?

CardoO earbuds support all phones but please follow these steps  1/ Open the settings  2/ Select CardoO from Bluetooth  3/ Click on active calls and media  If you have any questions call us on 16852 from 10 am to 6 pm or fill in the Support form  on https://cardoo.co/support/ you will get a ticket number, Our team […]

What is the battery capacity?

The earbuds are 30 Amps and work for 4 hours continuously and the charging box is 160 Amps You can charge the earbuds from the box from 2 to 3 times If you have any questions call us on 16852 from 10 am to 10 pm or fill in the Support form  on https://cardoo.co/support/ you will get […]