Can I use the adapter to pair 2 Bluetooth headphones?

Yes, you can. You could check the above video for how to pair two bluetooth headphones with it.

I just got these it connected to my PS5 but i can’t talk to friends online why is that?

Do you use the coming mic or use the built-in mic of your headphone? If you want to use your headphones’ built-in mic, double click the Multi-Function Button on the C81 and enter talk mode. The sound quality will be limited in this mode. This is due to current Bluetooth technology restraints. You could check the above video for how to set the sound setting of the PS5 too.

How can I get good sound quality with PS5?

To get good sound quality during a chat, use the included mic. Plug the mic into the PS5 controller. Now you can chat with your teammates and listen with your headphones at the same time. In this way. Your headphones' built-in mic doesn't work. If you want to use your headphones’ built-in mic, double click the Multi-Function Button on the C81 and enter talk mode. The sound quality will be limited in this mode. This is due to current Bluetooth technology restraints.

Would this work with my razer kaira rz04-03980100-r3u1?

Unfortunately, the C81 dongle is not compatible with your Razer Kaira RZ04-03980100-R3U1 headset. The Razer Kaira is not a Bluetooth-enabled headset and can only be paired with its included dongle for wireless use. It cannot be connected to a different dongle, including the C81.

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Avantree C81 USB-C Bluetooth Adapter for PS5 - Connect Headphones Wirelessly with aptX Low Latency Support and Included Mini Mic

Product ID: 417410236

Details

Color
Black
Compatible Devices
Headphone PS5
Connector Type
USB Type A USB
Item dimensions L x W x H
0.55 x 1.02 x
Specific Uses For Product
Headphones

🎧aptX Low Latency <40ms lag

📶Bluetooth 5.0, 100ft range

🔌Plug & Play USB-C simplicity

€ 66.12

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎮 Cut the cords, not the edge—game wirelessly with zero lag!

FREEDOM TO ROAM - Bluetooth 5.0 delivers stable connection up to 100 feet—move without missing a beat.
LAG FREE GAMING AUDIO - aptX Low Latency slashes delay to under 40ms for real-time sync.
INSTANT WIRELESS AUDIO SETUP - Plug into USB-C, pair once, game on—no drivers needed.
CRYSTAL CLEAR STEREO CHAT MUSIC - Built-in mic support for voice chat while streaming stereo sound.
SEAMLESS MULTI DEVICE COMPATIBILITY - Works with PS5, Switch, PC, plus USB-A via included converter.

The Avantree C81 USB-C Bluetooth Adapter transforms your PS5, Switch, or PC into a wireless audio powerhouse with effortless plug-and-play setup. Featuring aptX Low Latency technology, it ensures ultra-low audio lag under 40ms for perfectly synced gaming and video experiences. Compatible with USB-C and USB-A devices (via included converter), it supports stereo sound and voice chat through an included mini mic, all backed by Bluetooth 5.0’s reliable 100-foot range. Elevate your gaming and media setup with seamless wireless freedom and crystal-clear audio.

Specifications

ASIN	B09NDGV72B
Best Sellers Rank	#150 in Bluetooth Network Adapters
Brand	Avantree
Color	Black
Compatible Devices	Headphone, PS5
Connector Type	USB Type A, USB Type C
Current Rating	1 Amps
Customer Reviews	4.2 4.2 out of 5 stars (2,427)
Input Voltage	20 Volts
Item Dimensions	0.55 x 1.02 x 0.28 inches
Item Weight	10 Grams
Manufacturer	Avantree
Mfr Part Number	BTDG-C81
Model Number	BTDG-C81
Nominal Power	20 Watts
Number of Items	1
Number of Ports	1
Package Quantity	1
Power Plug Type	No Plug
Smart Home Compatibility	Not Smart Home Compatible
Specific Uses For Product	Headphones
Unit Count	1.0 Count
Warranty Type	Extended

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€ 66.12

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovakia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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Good experience, but the tracking updates could be better.

2 months ago

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