My earbuds are charged, blue tooth is on but not synching. Has anyone else had this problem?

Try resetting your earbuds if you have taken off the protective film already on your buds connector pins. Put them in the case and hold the touch controls at the same time on each bud for 8 seconds you'll see the case flash 3 times. You should have them reset at this point. Then pair again. Hope this helps

can only one at a time be paired and used with a phone?

If your thinking to just use one and leave the other in the case then yes, I alternate mine in and out all the time, but if your thinking to keep one and then give one to friend to connect to a different device, I don't think so...

I just got my pair. How do i know when the case needs to charge?

It'll flash red on the front. Everytime you or them away it'll glow white/silver.. That's charging them. When you close the lid it'll turn the buds off automatically. When the car needs to be charged it'll flash red when you place the buds in the case and close the lid.

Do these stream in AAC codex?

They are supported by both aac when not making calls and such when making calls or using mic

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Soundcore by Anker A20i True Wireless Earbuds, Bluetooth 5.3, App, Customized Sound, 28H Long Playtime, Water-Resistant, 2 Mics for AI Clear Calls, Single Earbud Mode

Soundcore by Anker A20i True Wireless Earbuds, Bluetooth 5.3, App, Customized Sound, 28H Long Playtime, Water-Resistant, 2 Mics for AI Clear Calls, Single Earbud Mode

Product ID: 527875880

Details

Brand
Soundcore
Color
Black
Ear Placement
In Ear
Form Factor
In Ear
Impedance
16 Ohms

🎤AI-powered dual mics

🎧22 EQ presets + BassUp

🔋28H total playtime

Description

🎧 Elevate your sound game with earbuds that work as hard as you do!

EPIC ALL DAY BATTERY LIFE - Up to 28 hours with fast 10-min quick charge—never miss a beat on your busiest days.
WATER RESISTANT DURABILITY - Built to keep up with your active lifestyle, rain or shine, without missing a beat.
CRYSTAL CLEAR CALLS ANYWHERE - AI-enhanced dual microphones cut through noise so your voice always stands out in meetings or calls.
TAILOR MADE SOUND EXPERIENCE - Choose from 22 EQ presets or customize your own via the Soundcore app for audio that’s uniquely yours.
SLEEK LIGHTWEIGHT PORTABLE - Compact design with lanyard fits effortlessly in your pocket or bag—style meets convenience on the go.

Soundcore by Anker A20i True Wireless Earbuds combine Bluetooth 5.3 connectivity with 28 hours of total playtime, customizable sound profiles via app, AI-powered dual microphones for clear calls, and a water-resistant, lightweight design—perfect for professionals who demand premium audio and all-day reliability.

Specifications

ASIN	B0BTYBVR4S
Additional Features	Fast Charging, Lightweight, Water Resistant
Age Range Description	ALL
Battery Charge Time	28 Hours
Best Sellers Rank	#18,179 in Electronics ( See Top 100 in Electronics ) #1,115 in Earbud & In-Ear Headphones
Brand Name	Soundcore
Built-In Media	Cable, Charging Case, Eartip, soundcore A20i
Cable Features	Without Cable
Color	Black
Compatible Devices	Cellphones, Desktops, Laptops, Tablets
Connectivity Technology	Wireless
Control Method	Touch
Control Type	Volume Control
Customer Reviews	4.4 4.4 out of 5 stars (14,885)
Enclosure Material	Plastic
Frequency Range	20-20k HZ
Headphone Folding Features	In Ear
Headphones Ear Placement	In Ear
Impedance	16 Ohms
Item Weight	0.09 Pounds
Manufacturer	Anker
Model Name	soundcore A20i
Model Number	A3948
Noise Control	Sound Isolation
Number of Items	1
Specific Uses For Product	Music
Style Name	Classic
UPC	194644124465
Unit Count	1 Count
Warranty Description	18 months warranty
Water Resistance Level	Waterproof
Wireless Technology	Bluetooth

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