Earbuds With Location Tracking
Related Faq
Q
How long does it take for the reading to adjust when the CO2 level changes, like when the device is moved to a new location?
A
The CO2 change is quite rapid. I moved it into a car and the change was immediate- climbing until the CO2 level was ""achieved"" 
Q
Can I pair these earbuds with devices that have Bluetooth 4.0?
A
Yes you can! 
Q
Why haven't I received the logistics tracking number?
A
Dear K&F customer, The logistics order number will be sent to the mailbox where you placed the order 2-3 days after you place the order. If you still do not receive the email, please check whether the email account you filled in when placing the order is accurate. 
Q
Will the left and right earbuds be automatically paired?
A
Yes, it can be automatically paired after being taken out from the case. 
Q
Can I use the rechargeable battery with the tracking camera?
A
No, you can choose 5V AA battery or an external 6V2A external power supply. 
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