MERCUSYS MA550H Long-Range Bluetooth USB Adapter

MERCUSYS MA550H Long-Range Bluetooth USB Adapter adds reliable Bluetooth connectivity to compatible Windows PCs and laptops through a USB Type-A interface. Featuring Bluetooth 5.4, it is designed to provide improved stability, broader compatibility, and faster transmission capabilities compared with earlier Bluetooth generations.

The MA550H features a high-performance external antenna with a rotatable, multi-directional design that can be adjusted to improve signal reception in different environments. It supports both Bluetooth Low Energy (BLE) for lower power consumption and Enhanced Data Rate (EDR) for faster transmission and improved stability with supported Bluetooth connections.

The adapter can connect up to seven Bluetooth devices simultaneously, making it suitable for setups using multiple wireless peripherals such as keyboards, mice, headphones, game controllers, smartphones, and other compatible Bluetooth devices.

With official support for Windows 11, Windows 10, Windows 8.1, and Windows 7, the MA550H provides a flexible Bluetooth upgrade for compatible desktop and laptop computers.

Key Features

• Bluetooth 5.4
• Long-range Bluetooth connectivity
• High-performance external antenna
• Rotatable, multi-directional antenna
• Bluetooth Low Energy (BLE) support
• Enhanced Data Rate (EDR) support
• Connect up to 7 Bluetooth devices simultaneously
• Backward compatibility with supported earlier Bluetooth versions
• USB Type-A interface
• Designed for Windows PCs and laptops
• Supports Windows 11, 10, 8.1, and 7

Specifications

Brand: MERCUSYS
Model: MA550H
Version: V1
Product Type: Long-Range Bluetooth USB Adapter
Bluetooth Version: Bluetooth 5.4
Interface: USB Type-A
Antenna: 1× External High-Performance Antenna
Antenna Design: Rotatable Multi-Directional
Bluetooth Features: BLE, EDR
Maximum Simultaneous Devices: Up to 7
Supported Operating Systems: Windows 11, Windows 10, Windows 8.1, Windows 7
Dimensions: 55.8 × 16.8 × 150.5 mm
Operating Temperature: 0°C–40°C
Operating Humidity: 10%–90% non-condensing
Storage Humidity: 5%–90% non-condensing
Package Contents: MA550H Long-Range Bluetooth USB Adapter, Quick Installation Guide

Windows Driver Limitation

Windows Driver Limitation: The MA550H officially supports Windows 11, Windows 10, Windows 8.1, and Windows 7. MERCUSYS notes that certain features, including Bluetooth 5.4 functionality, may be restricted on some operating systems or platforms. After an operating system update, updating the adapter’s driver may be required for proper compatibility and feature support. For Windows 7, MERCUSYS provides a dedicated driver, while the Windows 10/11 driver package is separate.

Compatibility

The MERCUSYS MA550H is designed for compatible desktop and laptop computers with an available USB Type-A port and supports:

• Windows 11
• Windows 10
• Windows 8.1
• Windows 7
• Bluetooth devices compatible with supported Bluetooth versions
• Multiple Bluetooth peripherals, with up to 7 devices connected simultaneously

Driver limitation: Certain Bluetooth 5.4 features may depend on the operating system and driver version. Windows 7 requires the appropriate MERCUSYS driver for installation and operation.