UGREEN CM748 USB Bluetooth 5.4 Adapter - Stable, Ultra-Fast Wireless Audio Connection
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Plug-In Bluetooth for Any PC, No Drama
The UGREEN CM748 turns any Windows PC into a Bluetooth-ready machine in seconds. Built on Bluetooth 5.4, it delivers a noticeably more stable connection with less audio lag and dropouts than older adapters, and it can sync with up to five devices at once, so headphones, a keyboard, and a mouse can all stay paired without constant re-pairing.
Audio quality is a highlight here: the CM748 supports high-fidelity sound output for music and calls, with a transmission range of roughly 20 meters so you're not tied to your desk. Its compact, low-profile design fits into any USB-A port without blocking neighboring slots, making it easy to leave plugged in permanently.
Setup is plug-and-play on Windows 10 and 11 with no driver install needed (Windows 8.1 requires a free driver download). It is not compatible with macOS, Linux, car audio systems, or TV boxes, so it's best suited for a dedicated Windows desktop or laptop.
- Bluetooth 5.4: More stable, faster pairing with reduced audio lag versus earlier Bluetooth versions.
- Multi-Device Sync: Connects up to 5 Bluetooth devices simultaneously.
- Extended Range: Up to 20 meters of transmission distance.
- Plug-and-Play: No driver needed on Windows 10/11; free driver available for Windows 8.1.
- Compact Design: Low-profile USB-A form factor that won't block adjacent ports.
- High-Fidelity Audio: Clear, high-quality sound for music, calls, and media.
- Model: CM748
- Bluetooth Version: 5.4
- Interface: USB Type-A (USB 2.0)
- Chipset: Barrot BR8554
- Max Devices Connected: 5 simultaneous
- Transmission Distance: Up to 20 meters
- Bluetooth Profiles: A2DP, HSP, AVRCP, HID, and more
- Max RF Output Power: 4dBm (conducted)
- Dimensions: 30.48 x 15.24 x 5.08 mm
- OS Compatibility: Windows 10/11 (plug-and-play), Windows 8.1 (driver required); not compatible with macOS, Linux, car audio systems, or TV boxes
- Warranty: 1 Year
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