ASUS BT400 — Overview
The ASUS BT400 (USB-BT400) is a compact USB Bluetooth 4.0 adapter that adds Bluetooth connectivity to desktops and laptops lacking built-in Bluetooth, or upgrades older systems for improved compatibility and power efficiency. With Bluetooth Low Energy (BLE) support, it enables wireless connections to headsets, speakers, keyboards, mice, game controllers, and other peripherals with low latency and reduced power usage.
Installing the correct ASUS BT400 driver ensures proper device enumeration, stable pairing, and broad profile/codec support on modern operating systems. Driver updates help resolve pairing failures, random disconnects, missing Bluetooth toggles, poor audio quality, and coexistence problems with Wi‑Fi adapters.
ASUS BT400 Specifications
- Brand: ASUS
- Model: ASUS BT400 (USB-BT400)
- Category: USB Bluetooth 4.0 Adapter (BLE)
- Standards: Bluetooth 4.0 + EDR, backward compatible with BT 2.1/3.0
- Operating Systems: Windows 11/10; macOS (driver needs vary by version)
- Range: Class 2 (approx. 10 m, environment dependent)
- Profiles: A2DP, AVRCP, HFP/HSP, HID, SPP (OS/driver dependent)
- Use Case: Audio headsets/speakers, mice/keyboards, controllers, file transfer
- Chipset: Broadcom/CSR lineage (revision dependent)
- Companion Software: MyASUS / Armoury Crate plug-ins (device dependent)
- Notes: Keep Wi‑Fi/chipset drivers current for better BT/Wi‑Fi coexistence
- Interface: USB 2.0/3.x Type‑A
Key Features
- Easy plug‑and‑play Bluetooth 4.0 connectivity with BLE for modern low‑power peripherals.
- Stable pairing and wide profile support for audio and HID devices across Windows and macOS.
- Compact nano‑dongle design suitable for laptops and tight USB ports.
- Improved coexistence with Wi‑Fi networks when using current drivers and firmware.
Download ASUS BT400 Driver
The ASUS BT400 driver enables reliable Bluetooth pairing, audio streaming, and HID connectivity on your system. Updating to the latest version helps fix pairing failures, random disconnects, audio glitches, and missing Bluetooth controls in the OS.
Plug Driver software is safe, verified, and free to download. The ASUS BT400 driver is compatible with Windows 11/10 and MAC OS. Our team regularly updates drivers to meet the latest system requirements.
How to Install ASUS BT400 Drivers
- Download the latest ASUS BT400 driver package from Plug Driver.
- Plug the ASUS BT400 into a direct USB port (avoid unpowered hubs during setup).
- Run the installer as administrator and follow on‑screen steps to complete installation.
- Restart your system after installation completes.
- Open Bluetooth settings and pair your headset, mouse, keyboard, controller, or other device.
Important: close audio/conferencing apps and temporarily disable antivirus during installation if it interferes.
How to Update ASUS BT400 Driver
- Open Device Manager and check entries under Bluetooth and Universal Serial Bus controllers.
- Download the newest ASUS BT400 package compatible with your OS.
- Install the update; keep BT devices nearby and powered for quick re‑pairing.
- Restart, then re‑pair devices if they don’t reconnect automatically.
- If issues persist, reset the Bluetooth stack and update Wi‑Fi/chipset and audio drivers.
ASUS BT400 Driver update tips
- Create a system restore point before updating so you can roll back if needed.
- Remove stale pairings (Forget device), reboot, and pair again to clear cached profiles.
- For headsets, select the correct audio profile in sound settings (Stereo vs. Hands‑Free) to avoid quality issues.
How to Use ASUS BT400 Driver
After installation, pair your peripherals, set preferred audio input/output, and keep devices within range with minimal 2.4 GHz interference. For best stability, keep Bluetooth, Wi‑Fi, and chipset drivers updated and avoid placing the dongle behind metal chassis or dense objects.
FAQ
Is the ASUS BT400 Driver free to download?
Yes, our drivers are free and safe to download from verified sources.
Why should I update my ASUS BT400 drivers?
Updates improve pairing reliability, audio quality, latency, and compatibility with the latest OS versions.
Do I need to uninstall the old driver before installing a new one?
Usually you can install over the old version. If problems occur, do a clean reinstall (uninstall → reboot → install).
(2 votes, average: 3.00 out of 5)
Loading...
