BT 5.4  
Note:

XP/ Win8/ MacOS system is not supported.

Name: USB Bluetooth 5.4 adapter

Bluetooth version: 5.4(BLE low power consumption, low delay)

Transmission distance: 20m (in barrier-free environment)

Support protocols: A2DP,HSP,AVRCP,HID, etc.

5.3 Bluetooth dual-mode and dual-channel, compatible with Bluetooth 2.0,3.0,4.0,5.0 and 5.1 specifications.

Intelligent low-power chip, RF transceiver, providing lower delay, flexible and powerful Bluetooth application.

Support Cass2 Power level 20 meters distance (in open environment)

Support Bluetooth 5.4 dual-mode specification (LMP 12.45 real Bluetooth 5.4standard)

Support USB2.0/3.0 interface.

Support multiple devices to connect at the same time (up to 7 devices can be connected)

Working temperature -20 to 70℃

Operating system support: Windows 8.1, 10, 11 (driver-free, plug and play), Windows7 system can be installed with drivers.

Support protocols: HFP/HSP (hands-free phone/headset) A2DP/ AVRCP (stereo music) HID/HOGP (keyboard and mouse), Android smart phone, etc.20 meter long-distance transmission
Strong signal transmission at a distance of 20 meters without obstaclesConnecting phones/tablets

No need for data cables, achieving multi device interoperability, enabling fast file transfer withoutlagging when BT is turned on.

BT 5.4 Q&A

Q1.Does this bluetooth device driver free?

A1: Windows 8.1, 10, 11 (driver-free, plug and play), Windows7 system can be installed with drivers.

Q2.Does this bluetooth device can work in other system?

A2:Only supports WINDOWS system computer, not support Apple or other systems like TV or Car.

Q3.Why my Computer can't use the bluetooth?

A3:If the computer has Bluetooth, you need to disable the computer's Bluetooth before you use the product.

BT 5.3 Black Specification:

1.Suporting profiles:Networking ,Dial-up ,FAX,LAN Access,and Headset.

2.Operation sysem:Windows98,98se,Me ,2000,XP,Vista,Windows7/8/10/11（Win 8.1 and above versions are drive free)

3.interface:USB compliance

4.Symbol rate 3Mbps

5.Receiving/sending range:10-20m

Key Features:

1.Bluetooth low energy Radio USB Dongle.

2.Dual-mode bluetooth transfer.

3.Low-power

4.Supporting Bluetooth voice data

5. Supporting Multi languages.

6.WLAN coexistence interface.

7.Plug and play.

BT 5.1 Black Specification:
Advantage:

1. Support bluetooth connection of multi devices at the same time, with computer ,laptop, notebook PC,phone , tablet, keyboard, mouse, game handle and so on

2. Support Win 8/8.1/10/11 or more new versions, no need driver, plug in and play.

3. Support Win 7, but need to install driver.

4. Compatible with bluetooth 5.1 4.2 4.1 or lower versions

BT 5.0 Black Specification:

1. adopt dual-mode transmission that truly conforms to Bluetooth 5.0 technical standard.

2. transmission distance: 20m, ultra long transmission distance (no barrier), strong signal.

3. transmission rate: 3mbps transmission rate, providing high-speed file and audio data transmission.

4. the original driver management software is easy to use, powerful and supports a variety of application expansion.

5. ultra low delay and high-speed link, intelligent sleep wake-up, energy saving, 24 bit CRC verification to resist interference, adaptive frequency hopping to reduce crosstalk.

6. fully downward compatible with Bluetooth 2.0, Bluetooth 2.1 and Bluetooth 3.0 specifications.

7.USB2. 0 interface is more universal, super mini body and portable.

8.supporting system: Windows 7 / win8 / 8.1/win10/win11 (win8 / 10 / 11 system drive free)