Question 1

When powered on, both the blue and the red lights are flashing back and forth, and the headset will not connect.  How do I perform a total reset?

Accepted Answer

This happened to me as well. Headphones stopped connecting; on the iPhone I "forgot" the device. The headphones started blinking blue and red which means they were ready to pair. After powering the headphones off and on a few times, and the iPhone Bluetooth off and on, the headphones showed up in the Other Devices section and paired successfully.

Question 2

When will these change to usb-c charging?

Accepted Answer

Great question!
Who knows. But 1 thing for sure is, I'm sure it's not as quality a set as the ones with micro c.

And to the other person who left an answer, that is absurd 😅.
Just 1 more thing to lose. Also, I hate things with micro USB because sooner or later, the port WILL break. Most of the time sooner

Question 3

I lost the charger cord, can you send a replacement please.

Accepted Answer

I just ordered my third pair. 
I not only stream shows, I listen to the radio through my phone and I would say that I very possibly spend about 8 to 10 hours a day in my headphones!
The beauty of charging this one is that any of my micro USB from various equipment and my other phone work perfectly for keeping this charged! I would think that the only charger complication would be that everything is moved forward to a USB-C, and not a lot of people have micro USB just hanging around anymore.
You might check to see if there's anything else that you have that needs to be plugged in and charged, it might have that funny little slightly triangular and on it (which is indicative of a micro USB)

As for fit and comfort? I have a smaller skull. This stays fitted without pressing or pinching. Part of my problem is that wireless over the ear was always somehow too big! These are perfect. I have even fallen asleep and woken up with them on!

Question 4

How long it should be charged?

Accepted Answer

Charging seems to take at least a few hours, but the red charging light goes out when it is complete.  Of course it depends on how low the battery is when you plug it in.

ASIN	B09BHXKNBB
Additional Features	Ergonomic design, Lightweight and compact, Easy to control music & calling, Extended battery life, Perfect for running
Age Range Description	Adult
Antenna Location	Exercising, Running
Audio Driver Type	Dynamic Driver
Battery Average Life	12 Hours
Battery Charge Time	12 Hours
Best Sellers Rank	#3,551 in Electronics ( See Top 100 in Electronics ) #231 in In-Ear Headphones
Bluetooth Version	5
Brand	RTUSIA
Built-In Media	Headphones, micro USB charging cable, instruction manual, 3.5 mm audio cable
Cable Features	Without Cable
Color	Black
Compatible Devices	Bluetooth-enabled devices
Connectivity Technology	Wireless
Control Method	Push Button
Control Type	Noise Control
Controller Type	Media Control
Customer Package Type	FFP
Customer Reviews	4.0 4.0 out of 5 stars (5,792)
Earpiece Shape	Rounded
Enclosure Material	Silicone, Fabric, or Soft Plastic
Frequency Range	20Hz - 20,000Hz
Headphone Folding Features	Over Ear
Headphone Jack	No Jack
Headphones Ear Placement	Over Ear
Is Autographed	No
Manufacturer	RTUSIA
Model Name	marathon
Model Number	r-black
Noise Control	Active Noise Cancellation
Number of Items	1
Specific Uses For Product	Sports and Exercise
Style Name	Comfortable
Subject Character	no character
Theme	Video Game
Water Resistance Level	Water Resistant
Wireless Technology	Bluetooth

Wireless Bluetooth Headphones, Foldable Sports Earphones with Microphone and Clear Sound, 12 Hours Battery Life

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