Seamless Connectivity: The Ultra-Mini Bluetooth 5.0 USB Adapter
High-Speed, Low-Latency Wireless Freedom for Legacy and Modern Systems
In an era where wires are becoming obsolete, the Bluetooth 5.0 USB Adapter is the essential bridge between your computer and your favorite wireless peripherals. Whether you're connecting high-fidelity headphones, a wireless mouse, or transferring files from a smartphone, this "plug-and-forget" dongle provides a professional-grade wireless upgrade in a package no larger than a coin.
Compact Power & Performance
Weighing in at only 3g, this adapter proves that big things come in small packages. Despite its tiny 26 x 15 x 7mm footprint, it houses a powerful Class II radio capable of a 20-meter (65.62ft) transmission range, ensuring your connection stays rock-solid even if you step away from your desk.
High-Speed Data & Crystal Clear Audio
Equipped with a 3Mbps transmission rate, this adapter handles more than just simple keystrokes. It is optimized for:
High-Speed File Transfer: Quickly move photos and documents between devices.
Low-Latency Audio: Perfect for watching videos or gaming without the annoying lag between the picture and the sound.
Dual-Mode Transmission: Ensures the adapter can manage multiple connections simultaneously without drops.
Intelligent Engineering
The heart of this adapter is the CSR (Cambridge Silicon Radio) chipset, supported by the CSR Harmony Wireless Software Stack. This software isn't just a driver; it’s a management suite that integrates seamlessly with Microsoft Office and other professional applications.
Key Technical Characteristics:
Energy Efficient: Features intelligent "sleep-wake" technology to preserve power, making it ideal for laptop users.
Interference Resistance: Uses 24-bit CRC verification and Adaptive Frequency Hopping (AFH) to automatically dodge interference from Wi-Fi signals or other electronics.
Ultra-Stable Signal: With a sensitivity of -86dBm and +6dBm transmission power, your connection remains stable in crowded wireless environments.
Technical Specifications at a Glance
| Feature | Specification |
| Interface | USB 2.0 (Universal Compatibility) |
| Bluetooth Version | 5.0 (Backward compatible with 2.0/2.1/3.0) |
| Max Range | 20m / 65.62ft (Open Space) |
| Speed | 3Mbps |
| Frequency | 2400 MHz |
| OS Support | Windows XP / Vista / 7 / 8 |
Why Choose This Adapter?
If you are working on an older workstation or a laptop with a failing internal card, this mini adapter offers a fully backward-compatible solution. It’s small enough to stay plugged into your laptop bag or USB port without the risk of snapping off, providing a permanent, high-speed wireless upgrade.