Specification:
Product Name: USB bluetooth Adapter
Model: BT541
bluetooth Version: bluetooth 5.4 (EDR + BLE Low Power, Low Latency)
Transmission Distance: Up to 20 meters (in open environments)
Supported Protocols: A2DP, HSP, AVRCP, HID, ACC, and more
USB Interface: Supports USB2.0/3.0
Operating Temperature: -20 to 70°C
Operating System Compatibility:
Windows 8.1, 10, 11 (driver-free, plug-and-play)
Windows 7 (requires driver installation)
Maximum Connected Devices: Up to 7 simultaneously

Features:
1. bluetooth 5.4 Standard: Enhanced stability, lower latency, and low battery consumption.
2. Plug and Play: Instantly works with Windows 8.1/10/11 without the need for drivers.
3. Multiple Device Connection: Supports up to 7 devices connected simultaneously to maximize usage.
4. Wide Compatibility: Compatible with bluetooth 2.0, 3.0, 4.0, 5.0, 5.1, and 5.3.
5. High Sound Quality: Delivers CD-level sound quality with 3D high fidelity.
6. Memory Pairing: Automatically reconnects to previously paired devices, ensuring convenience.
7. Extended Range: Provides a stable connection up to 20 meters in open environments.

Package Include:
1 x BT541 USB bluetooth Adapter
1 x User Manual