📡 General Information & Connectivity

• Product Name: USB Bluetooth 5.4 Adapter

• Model: CM748

• Product Code: 35058

• Interface: USB 2.0, USB Type-A

• Bluetooth Version: 5.4 (with backward compatibility for 5.3 and earlier versions)

• Chipset: ATS2851

• Frequency Range: 2.402GHz – 2.480GHz (2400MHz-2483.5MHz)

• Max. RF Output Power: 4 dBm

🔌 Performance & Features

• Transmission Distance: Up to 20 meters (66 feet) in open, unobstructed environments

• Simultaneous Connections: Supports up to 5 Bluetooth devices connected at the same time

• Supported Profiles: A2DP, HSP, AVRCP, HID, HOGP, PAN, GAP, OPP, DID, GAVDP, IOPT

• Low Latency Mode: Designed to improve audio and video synchronization

• LED Indicator: Provides clear status visibility for power and pairing

💻 System Requirements & Compatibility

• Compatible Operating Systems: Windows 11, Windows 10, Windows 8.1, and Windows 7 (driver required for Windows 7)

• Driver: Plug & Play for Windows 8.1/10/11 (no driver installation needed); Free driver download required for Windows 7

• Incompatible Systems: Not compatible with macOS, Linux, car audio systems, Xbox, PlayStation, or televisions

📦 Physical Specifications

• Color: Black

• Material: ABS Plastic

• Product Weight: 4g ; some retailers list 20g (likely including packaging)

• Dimensions (Package): 114mm x 102mm x 8mm