描述


The CF-B03 is a mini Bluetooth 5.1 USB adapter with RealTek 8761BUV chip and backward compatibility. It supports multi-device connections and auto-pairing, enabling wireless links from computers to keyboards, mice, headsets, and more for audio and file transfer over ~20 meters.
Ultra-compact plastic shell, only 14x22x6mm
RealTek 8761BUV dual-mode Bluetooth chip
Latest Bluetooth 5.1 with backward compatibility
Multi-device simultaneous connection
Auto-pairing and memory function
Compatible with Windows 7/8.1/10, driver-free
Wide Bluetooth profile support (A2DP, HFP, FTP, etc.)
Up to 20 meters transmission range
Dual-mode, low power, high-quality audio
9th Floor, Building H, Huanan Digital Valley, No.1Huanan Road, Longhua District, Shenzhen, China
Phone: 86-755-83790059
ZIP/Postal code:518109
Monday to Friday
9:00-12:00,13:30-18:30


ssdsdsd*The product images and demonstration scenarios on this page are for illustrative purposes only and may have slight differences from the actual product. Please refer to the physical product for accuracy.
*The data on this page are theoretical values obtained from COMFAST’s internal laboratory under specific testing conditions. Actual usage may vary due to individual product differences, software versions, usage conditions, and environmental factors. Please refer to real-world usage for accurate representation.
*To provide as accurate product information, specifications, and features as possible, COMFAST may periodically adjust and revise the text descriptions, image effects, and other content on this page to ensure alignment with actual product performance, specifications, packaging, and accessories. Should such adjustments or revisions become necessary, no prior notice will be provided.
The CF-B03 is a mini Bluetooth 5.1 USB adapter with RealTek 8761BUV chip and backward compatibility. It supports multi-device connections and auto-pairing, enabling wireless links from computers to keyboards, mice, headsets, and more for audio and file transfer over ~20 meters.
Ultra-compact plastic shell, only 14x22x6mm
RealTek 8761BUV dual-mode Bluetooth chip
Latest Bluetooth 5.1 with backward compatibility
Multi-device simultaneous connection
Auto-pairing and memory function
Compatible with Windows 7/8.1/10, driver-free
Wide Bluetooth profile support (A2DP, HFP, FTP, etc.)
Up to 20 meters transmission range
Dual-mode, low power, high-quality audio
9th Floor, Building H, Huanan Digital Valley, No.1Huanan Road, Longhua District, Shenzhen, China
Monday to Friday
9:00-12:00,13:30-18:30


ssdsdsd*The product images and demonstration scenarios on this page are for illustrative purposes only and may have slight differences from the actual product. Please refer to the physical product for accuracy.
*The data on this page are theoretical values obtained from COMFAST’s internal laboratory under specific testing conditions. Actual usage may vary due to individual product differences, software versions, usage conditions, and environmental factors. Please refer to real-world usage for accurate representation.
*To provide as accurate product information, specifications, and features as possible, COMFAST may periodically adjust and revise the text descriptions, image effects, and other content on this page to ensure alignment with actual product performance, specifications, packaging, and accessories. Should such adjustments or revisions become necessary, no prior notice will be provided.
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