USB BT5.3 Adapter

The CF-B33 is a mini Bluetooth 5.3 USB adapter powered by the advanced ATS2851 chip. With broad compatibility from Bluetooth 5.2 down to 4.0, it supports multi-device connections and auto-pairing, easily upgrading PCs to connect keyboards, mice, headsets, and more for wireless audio and file transfer over a range of ~20 meters.

  • Ultra-compact design, only 14x22x6mm

  • Advanced ATS2851 dual-mode Bluetooth chip

  • Latest Bluetooth 5.3 technology

  • Wide compatibility with older versions

  • Stable multi-device simultaneous connection

  • Auto-pairing and memory function

  • Compatible with Windows 8.1/10/11

  • Wide range of supported Bluetooth profiles

  • Dual-mode, low power, high-quality audio

Contact Us

Online Service

Service hours: Mon-Fri 9:00-12:00, 13:30-18:30 (excluding holidays)

Product Repair

Repair Address

9th Floor, Building H, Huanan Digital Valley, No.1Huanan Road, Longhua District, Shenzhen, China

Telephone

Phone: 86-755-83790059
ZIP/Postal code:518109

Service Time

Monday to Friday
9:00-12:00,13:30-18:30

描述

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.

Be Familiar With Quickly

Follow the guide quickly

Initial video configuration

How Often Should l Replace My Home Router?

Product Video

Frequently Asked Question

USB BT5.3 Adapter

The CF-B33 is a mini Bluetooth 5.3 USB adapter powered by the advanced ATS2851 chip. With broad compatibility from Bluetooth 5.2 down to 4.0, it supports multi-device connections and auto-pairing, easily upgrading PCs to connect keyboards, mice, headsets, and more for wireless audio and file transfer over a range of ~20 meters.

  • Ultra-compact design, only 14x22x6mm

  • Advanced ATS2851 dual-mode Bluetooth chip

  • Latest Bluetooth 5.3 technology

  • Wide compatibility with older versions

  • Stable multi-device simultaneous connection

  • Auto-pairing and memory function

  • Compatible with Windows 8.1/10/11

  • Wide range of supported Bluetooth profiles

  • Dual-mode, low power, high-quality audio

Contact Us

Online Service

Service hours: Mon-Fri 9:00-12:00, 13:30-18:30 (excluding holidays)

Product Repair

Repair Address

9th Floor, Building H, Huanan Digital Valley, No.1Huanan Road, Longhua District, Shenzhen, China

Telephone

Phone: 86-755-83790059
ZIP/Postal code:518109

Service Time

Monday to Friday
9:00-12:00,13:30-18:30

描述

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.

Be Familiar With Quickly

Follow the guide quickly

Initial video configuration

How Often Should l Replace My Home Router?

Product Video