Feature: 1. Supports Multiple Devices: Connect up to 5 devices simultaneously, enabling seamless connection between computers and other Bluetooth-enabled devices. 2. Bluetooth 5.3 Technology: Equipped with a high-performance Bluetooth 5.3 chip, offering 2MB/s high bandwidth, low power consumption, and fast response for a lag-free experience. 3. External Antenna: USB Bluetooth adapter features an external 4dBi high-gain antenna for enhanced signal strength and extended range, supporting up to 100 meters transmission distance in open areas. 4. High-Quality Audio Transmission: Supports APTX for high-quality audio streaming, 44.1kHz high sampling rate, delivering CD-like sound quality. 5. Wide System Compatibility: Plug-and-play design with no driver required, compatible with Windows 8.1, Windows 10, and Windows 11 operating systems. Specification: Item Type: USB Bluetooth 5.3 Adapter Material: ABS Bluetooth Version: 5.3 Frequency Range: 2.4GHz (24022480MHz) Transmission Distance: Up to 100 meters (open area) Interface Type: USB Operating System: Windows 8.1, Windows 10, Windows 11 Package List: 1 x Bluetooth Adapter 1 x Instruction Manual