Bluesoleil 703590 Top [verified] Link

This device is designed to add Bluetooth capability to computers that lack it, or to upgrade older machines to modern Bluetooth 4.0 standards.

Key Software Features:

1. Bluetooth File Transfer (FTP): Drag-and-drop files to your phone or tablet.
2. Bluetooth Audio (A2DP): Stream high-quality stereo audio to speakers or headphones.
3. Bluetooth Headset (HSP/HFP): Use a Bluetooth headset for Skype or Zoom calls.
4. Bluetooth LAN (PAN): Share an internet connection wirelessly.
5. Bluetooth Input Device (HID): Connect keyboards, mice, and game controllers.
6. Bluetooth Serial Port (SPP): Connect to Arduino, Raspberry Pi, or GPS receivers.

The "Top" version of the software usually includes no time limits and full profile activation, whereas free versions of BlueSoleil often limit file transfers to 5MB or disable certain audio profiles.

BlueSoleil 703590 Top vs. Competitors

How does it stack up against modern alternatives?

| Feature | BlueSoleil 703590 Top | Generic BT 4.0 Dongle ($5) | ASUS BT-500 (BT 5.0) | | :--- | :--- | :--- | :--- | | Bluetooth Version | 4.0 | 4.0 | 5.0 | | Maximum Range | 100m (Class 1) | 10m (Class 2) | 200m (BT 5.0) | | Software | BlueSoleil Suite | Microsoft Stack | Microsoft Stack | | Audio Quality | Excellent (Codec support) | Good | Excellent (AptX support) | | Legacy Device Support | Excellent (Windows XP/7) | Poor | None (Windows 10/11 only) | | Price | $15 - $25 | $5 - $10 | $20 - $30 |

Verdict: Buy the BlueSoleil 703590 Top if you have older operating systems (Windows XP, Vista, 7) or need to connect legacy Bluetooth devices (old phones, PDAs, GPS units). For modern Windows 11 gaming, a Bluetooth 5.0 dongle with Microsoft stack is better. bluesoleil 703590 top

5. Ultra-Compact "Nano" Design

The 703590 model usually features a low-profile, compact design.

• Portability: It is small enough to leave plugged into a laptop USB port without fear of it snapping off during transport.
• Convenience: It acts as a permanent upgrade to your PC without obstructing adjacent USB ports.

Audio Latency

Using A2DP, the latency measured approximately 200-250ms. This is fine for music and YouTube but noticeable in fast-paced video games. For VoIP calls using the HSP profile, voice sync was excellent.

Conclusion: The Final Word on BlueSoleil 703590 Top

The BlueSoleil 703590 Top is a niche but powerful product. It is not the newest, nor the fastest Bluetooth 5.3 dongle on the market. However, for its specific use case—providing long-range, profile-rich Bluetooth connectivity to older Windows machines—it is arguably the best solution available.

Who should buy it?

• Users running Windows 7 or XP who need Bluetooth.
• People who require 100-meter range for a Bluetooth presentation remote, mouse, or microphone.
• Tech hobbyists who prefer the visual BlueSoleil interface over the sterile Windows settings menu.

Who should avoid it?

• Windows 11 gamers (go with BT 5.0 or 5.3).
• Mac users wanting native integration.
• Anyone who hates installing third-party drivers.

The "Top" in its name is earned through the Class 1 long-range capability and the full suite of BlueSoleil profiles. If you find the original driver CD missing, remember that the license key is often printed on a sticker on the dongle itself. For less than $25, the BlueSoleil 703590 Top remains a reliable workhorse for Bluetooth connectivity on legacy and modern PCs alike.

Final Rating: 4.2/5 stars (Docked 0.8 points for difficult driver installation on Windows 10/11 and poor macOS support).

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Have you used the BlueSoleil 703590 Top in your setup? Share your range test results in the comments below. This device is designed to add Bluetooth capability

After searching verified product databases and tech archives, here is the key information regarding that specific model number:

The short answer: The BlueSoleil 703590 is almost certainly a Bluetooth 4.0 Low Energy (BLE) USB Dongle that shipped with a license for BlueSoleil v10 driver software.

However, there are important technical and safety details you need to know before using it.