UGREEN USB-A Bluetooth 5.4 Adapter CM748 (UG-35058)

The UGREEN USB-A Bluetooth 5.4 Adapter (UG-35058, Model CM748) is a compact wireless solution designed to upgrade Windows PCs and laptops with fast, stable, and low-latency Bluetooth connectivity. Powered by the latest Bluetooth 5.4 technology, this adapter enables seamless connection of multiple wireless devices, delivering improved audio quality, reduced interference, and reliable performance for everyday computing, entertainment, and productivity.

Product Features

Advanced Bluetooth 5.4 Technology

Equipped with Bluetooth 5.4, this adapter provides faster data transmission, improved stability, and optimized latency compared to older Bluetooth versions, ensuring smooth connections for both audio and peripherals.

Multi-Device Connectivity

The adapter supports pairing with up to five Bluetooth devices simultaneously, allowing users to connect keyboards, mice, headphones, speakers, printers, and supported game controllers without frequent reconnection.

High-Fidelity Audio Performance

Designed to minimize signal loss and audio delay, the adapter delivers clear, high-quality wireless sound for Bluetooth headphones and speakers, making it suitable for music, videos, and voice communication.

Plug-and-Play for Windows

Driver-free installation is supported on Windows 11, Windows 10, and Windows 8.1. For Windows 7 systems, the required driver can be installed to enable full Bluetooth functionality.

Compact and Portable Design

The mini-sized USB dongle features a low-profile design that stays unobtrusive when plugged into a laptop or desktop. An integrated LED indicator provides clear visual feedback on connection and operating status.

Product Specifications

• Model number: CM748 (UG-35058)
• Interface: USB-A
• Bluetooth version: Bluetooth 5.4, backward compatible with Bluetooth 5.3, 5.2, 5.1, 5.0, and Bluetooth 4.0
• Chipset: ATS2851
• Maximum data transfer rate: Up to 3 Mbps
• Transmission distance: Up to 20 meters in open, unobstructed environments
• Frequency range: 2400 MHz to 2483.5 MHz
• Maximum RF output power: 4 dBm
• Simultaneous connections: Supports up to 5 paired devices
• Supported Bluetooth profiles: A2DP, AVRCP, HSP, HID, HOGP, PAN, GAP, OPP
• Operating system compatibility: Windows 11, Windows 10, Windows 8.1 (plug and play); Windows 7 (driver required)
• Unsupported systems: macOS, Linux, car stereos, TVs, and direct use on gaming consoles
• Dimensions: Approximately 43 x 17 x 7 mm
• Weight: Approximately 4 g
• Additional features: LED status indicator, low-latency wireless transmission