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Item#: N82E16833320166

ASUS USB-BT400 USB 2.0 Bluetooth 4.0 Adapter

  • USB 2.0
  • Bluetooth 4.0
  • Up to 3.0 Mbps Transfer rate

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews
ASUS

ASUS USB-BT400 USB 2.0 Bluetooth 4.0 Adapter

  • Most advanced Bluetooth 4.0 adapter, backward compatible with Bluetooth 2.0/2.1/3.0
  • Enables wireless communication with Bluetooth-enabled computers, printers, phones, headsets, speakers, keyboards, controllers, and more
  • Bluetooth Low Energy technology for energy-saving wireless connectivity
  • Highly portable ultra-small design

New generation Bluetooth 4.0 for versatile wireless connectivity

The USB-BT400 is a Bluetooth Smart Ready USB adapter with new Bluetooth 4.0 capabilities. It connects you with a multitude of compatible devices and supports Bluetooth Low Energy (BLE) to reduce power consumption. In dual-mode, the USB-BT400 maintains full backward compatibility with Bluetooth 3.0, 2.1, and 2.0.

Get Bluetooth 4.0 and connect with multiple devices

The ASUS USB-BT400 provides new and advanced Bluetooth 4.0 and enables wireless connectivity with a wide range of devices such as computers, printers, phones, headsets, speakers, keyboards, controllers, and more. In addition, the ultra-small USB-BT400 comes with Bluetooth Low Energy (BLE) technology, which lets you enjoy energy-saving connectivity.

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Learn more about the ASUS USB-BT400

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details

Customer Reviews of the ASUS USB-BT400

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  • Anonymous
  • 4/24/2016 12:44:35 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsWorks fine for me!

Pros: It's an ASUS product means it'll work as it should. Gets a good signal about 2 feet away with a Bluetooth mouse and keyboard which is the main use for this. Driver install was a single file double click wait a few minutes and you've got BT 4.0 and 2.1 and 3.0 all in a single tiny USB stick.

Cons: Would be the driver which is huge 240mb's. Seems awfully large just get it registered with the default Win7 BT profiles. I'm also having trouble pairing a Sony DR-BT21G headset which probably has something to do with the Win7 drivers. Still searching for a solution.

Other Thoughts: This is a replacement to an old BT 2.1 stick I've had in there for years. It works much better and gets a better signal with an old BT keyboard and mouse. However am still not exactly sure if BT 4.0 'll fully work with Win7 as I'm thinking of buying a Logitech MX master.

Also the driver install process was simple and straight forward. However after all these years dealing with BT I'm still not sure why the Broadcom install file needs to be a huge 240mbs.

The Headset issue isn't that important as I just paired if for testing, but is probably a drive problem and can't seem to get it working. I've also tested it with a Dualshock 4 and haven't done a full test (where I'll need to remap my existing games) but Win7 does register it as a BT controller and tests are working fine.

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  • Brian P.
  • 4/12/2016 2:35:22 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood Product, Good Customer Service

Pros: - Works very well with my Sentry bluetooth speaker from across the room (15 feet or so)
- Works okay-ish with my PS4 controller (more on that below)
- Drivers were easy to deal with

Cons: - PS4 controller connection flaky at times from less than 5 feet away
- First one broke when I removed it from the USB port (but was replaced free of charge, of course)
- Has a blue LED... that only shines INSIDE the USB port, making it fairly invisible (can be a pro for someone who likes that sort of thing)

Other Thoughts: ASUS has really stellar customer service. I was contacted the day after I filed for RMA and given a shipping label immediately. The new dongle came in ~a week and a half later.
More on that PS4 controller connectivity, I'd like to note that the controller is is very good condition and works with my PS4 perfectly. However, from 5 or so feet away from my laptop, the connection is flaky. I have noticed that removing any interference (body parts, stacks of books, papers) from between the controller and receiver fixed the issue. For me, this isn't a deal breaker. For someone else with their computer under their desk this may be an issue (although getting a cheap USB extender is an option.
The LED I mentioned earlier is an oddity for me. Why include an LED and make it hardly visible? Why neglect to mention this in the product description? It doesn't really affect the usage of the receiver in any way to my knowledge. To be clear, the LED is barely noticeable and I didn't see it until ~2 weeks after I got it.

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  • charles b.
  • 4/9/2016 12:40:52 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsasus

Pros: fit good

Cons: none

Other Thoughts: yes

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  • RUOCHEN L.
  • 4/8/2016 8:08:35 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsEasy to use in win 10

Pros: Have a Razer Orochi Bluetooth mice and my laptop does not have bluetooth, plugged this in, win10 automatically installed the driver, and it is getting very stable reception about 5 feet away when I am doing presentations.

Cons: no cons so far. After MIR, this is very high quality product for the price.

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  • Charles B.
  • 4/6/2016 6:27:11 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsASUS USB-BT400 review

Pros: works great with win10x64 and jbl-j56bt headphones
NO SOFTWARE INSTALL NEEDED, plugged it in and it connected to headphones first try

Cons: couldn't get it to work with win7x64 with or without software

Other Thoughts: going to get another one for my other comp now, deleted my one star review (nice option Newegg,thank you)
Always the Egg

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5 out of 5 eggsgreat

Pros: work right out of package

Cons: none

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  • Alvin D.
  • 4/2/2016 12:42:16 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsStraightforward setup and easy to use

Pros: Great value for the money and worked.

Cons: The only con that I can think of is that you have to download the latest driver from the Asus website, but honestly that is installation 101.

Other Thoughts: My primary use of this device was to transfer files back and forth between a computer and a smartphone. I did not use or test any of the other Bluetooth functionality.

I had purchased a more expensive brand of Bluetooth adapter by Kensington, and every time I tried to select the files to transfer, it hosed my Windows Explorer.

The only surprise I had with this BT adapter was that the file transfer did not see JPG files which is how my pictures are stored after the initial install. However, applying the latest driver update fixed this issue. I did not count off for that because I consider this step part of a standard installation.

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  • Jonathan D.
  • 3/15/2016 6:22:12 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsPlug and Play, Works as Expected!

Pros: I purchased this to use with my bluetooth PS3 controller to play PC games from my couch & tv. It works perfectly.

Cons: None

Other Thoughts: Would purchase again.

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  • Anonymous
  • 3/14/2016 9:22:39 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

Pros: - FREE!!!

Cons: - FREE!!!

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  • Anonymous
  • 3/11/2016 7:46:48 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsJust works

Pros: - works
- ok range (10M?)
- small

Cons: - ? can't really think of any

Other Thoughts: It just works. Using on Windows 10 machine.

1 out of 1 people found this review helpful. Did you? Yes No

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Item#: N82E16833320166
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