Wireless Earphones To Sleep In
Related Faq
Q
Does the case have wireless charging?
A
No, not support. 
Q
Can 2 wireless cameras be used at the same time or will it cause interference ?
A
... 
Q
Can I connect Bluetooth earphones from other brands?
A
Yes, M3 can be connected to any brand of Bluetooth earphones for intercom. 
Q
Is the stand of this wireless digital microscope stable?
A
This microscope has a folding stand with multiple adjustable angles and a non-slip body bayonet design for greater lightness and portability and stability. 
Q
Will this smart watch continuously monitor my heart rate while I sleep, and remind me when there is an abnormality (for example: low pulse, atrial fibrillation)?
A
Yes, the heart rate and blood oxygen sensor record continuously around the clock, and give timely warning when the resting heart rate is too high or too low. 
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