Astrum BT040 Nano Bluetooth USB Dongle CSR V4.0, 20m Range, 3Mbps Transfer, Plug & Play SKU: A85004-B

The Astrum BT040 Wireless Bluetooth Receiver Dongle is a compact, high-performance solution for adding Bluetooth capability to any laptop or desktop PC. Powered by CSR V4.0 technology, it enables seamless wireless connectivity with devices like headsets, printers, smartphones, and more up to 20 meters (33ft) away.

Its nano-sized design fits discreetly into any USB port, allowing you to leave it plugged in without obstructing other ports. With plug-and-play functionality, there's no need for drivers or installation just connect and start pairing instantly.

Whether you're transferring files, streaming audio, or syncing devices, the BT040 delivers stable, high speed wireless performance with a transfer rate of up to 3Mbps, making it ideal for both home and office use.

Key Features
📶 Bluetooth CSR V4.0 Technology – Reliable wireless connectivity
🔌 Nano USB Design – Ultra-compact and unobtrusive
📡 Up to 20m Range – Connect devices from across the room
🚀 3Mbps Transfer Speed – Fast and efficient data transmission
🖥️ Plug & Play – No installation required
💻 Compatible with Laptops & Desktops – Ideal for Windows PCs
🕒 12-Month Manufacturer Warranty – Reliable long-term performance

Technical Specifications
Feature Details
SKU A85004-B
Product Code BT040
Bluetooth Version CSR V4.0
Wireless Range Up to 20 meters (33ft)
Transmission Speed Up to 3Mbps
OS Compatibility Windows 10 and below
Plug Type USB
Weight Approx. 15g
Warranty 12 Months Limited Manufacturer Warranty

What’s Included
1 × Astrum BT040 Nano Bluetooth USB Dongle
1 × User Manual

Ideal Use Cases
🧑‍💻 Add Bluetooth to older laptops and desktops
🎧 Connect wireless headsets, speakers, and phones
🖨️ Pair with Bluetooth-enabled printers and peripherals
🏠 Home or office wireless syncing and streaming