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IOGEAR GBU521 USB Bluetooth 4.0 Micro Adapter

Ships from Canada. Most customers receive within 2-8 days.

Sold and Shipped by Mike's Computer Shop a-seller

Purchases from these Sellers are generally covered under our Newegg Marketplace Guarantee.
Marketplace Seller
  • USB
  • Bluetooth 4.0 4 dBm(Class 2)
  • Up to 3.0Mbps Transfer rate

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews


Learn more about the IOGEAR GBU521

Warranty, Returns, And Additional Information
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Bluetooth adapter for work computer

Pros: We bought a Bluetooth keyboard and mouse and our desktop didn't have Bluetooth. This fit the bill quite nicely. Easy to install

Cons: None

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Ownership: more than 1 year
Verified Owner
1/ 5
Extremely painful Bluetooth adapter( for users )

Pros: This adapter has given me more pain than anything else.I can't believe I didn't bother to upgrade to a better one yet. But today I did.

Driver unavailable is not a good message.

Cons: EVERYTHING!

Other Thoughts: Forget about installing proper drivers. It just hates good drivers.!

0 out of 1 people found this review helpful. Did you?
Manufacturer Response:
Thank you for choosing IOGEAR and we apologize for the inconvenience. The GBU521 is a very high selling low failure devise. The Drivers have been tested and work without issue with Win 7, 8.1 and 10 however Win 10 works plug and play as well with the GBU521. The Driver is available on IOGEAR.com https://www.iogear.com/support/dm/driver/GBU521 and comes on a Mini CD with the GBU521. To better service you and understand your set up, please feel to contact our customer support at 1-866-946-4327 or email us: support@iogear.com. Once again, thank you for choosing IOGEAR.
Ownership: 1 week to 1 month
Verified Owner
2/ 5
Didn't work

Pros: I wouldn't know, it never worked.

Cons: I plugged it into my computer, installed the drivers, and turned it on. It never saw any devices it could connect to. Tech support was stumped. It really just never worked.

Did you find this review helpful?
Manufacturer Response:
Thank you for choosing IOGEAR . We sell 1000's of these and it works with Win 7,8.1 and 10 with no issues as long as you do not have any internal Bluetooth or any of other Bluetooth installations from previous devices. Keep in mind some Windows updates sent out by Microsoft has also caused Bluetooth issues with upgrades sent. This devices has a reliable chip set and is very high selling. Please send an email to support@iogear.com with details about your full setup, Computer make and model, Specifications, Item you are trying to connect and O.S. We would like to know more about why you state Technical support was stumped. Please mention this review. Again, thank you for choosing IOGEAR.
Ownership: more than 1 year
Verified Owner
2/ 5
Worked for a while

Pros: It worked as it should

Cons: Gave up the ghost after about a year

Did you find this review helpful?
Manufacturer Response:
First, thank you for choosing IOGEAR and we apologize for your experience. The product should not behave as you described. Since the unit is backed by IOGEAR's 3 year warranty feel free to contact our customer support at 1-866-946-4327 or email us: support@iogear.com. Again, thank you for choosing IOGEAR.
1/ 5
Waste of money and time.

Pros: None.

Cons: Ridiculously short range. Not recommended.

Other Thoughts: Not recommended.

Did you find this review helpful?
Manufacturer Response:
First, thank you for choosing IOGEAR and we apologize for your experience. The GBU521 is a class 2 device wit a range of up to 33 feet. This can be affected by your environment. This is a very high selling product with no indication of range problems. The product should not behave as you described. Since the unit is backed by IOGEAR's 3 year warranty feel free to contact our customer support at 1-866-946-4327 or email us: support@iogear.com. Again, thank you for choosing IOGEAR.
Ownership: 1 month to 1 year
Verified Owner
2/ 5
Bluescreens Windows 10

Pros: -installed easy

Cons: -bluescreens win10 whenever I try to use it.

Did you find this review helpful?
Manufacturer Response:
Thank you for choosing IOGEAR and we apologize for the inconvenience. To better service you and understand your set up, please feel to contact our customer support at 1-866-946-4327 or email us: support@iogear.com. The GBU521 is plug and play with Windows 10 as long as you do not have internal Bluetooth or software from a previous Bluetooth install. Once again, thank you for choosing IOGEAR.
Ownership: 1 day to 1 week
Verified Owner
1/ 5
Works......kinda

Pros: - Easy to set up (Windows 10)
- Small
- Indicator LED

Cons: - Need pliers to take out USB port
- Laughable range (3 feet)
- Issues connecting phone

Other Thoughts: Bought this to use a Xbox One S controller with PC. Installed drivers, and worked in minutes, controller was set up and good to go. However, when I paired my cell phone it blue screened my PC, tried it again and same results. I uninstalled drivers and the phone no longer crashes PC, but I'm only able to send files to phone, not vice-versa. If that was the only issues it would be 5 eggs, sadly it's not.
The specs claim 30 feet, there must be a typo cause it's only 3 feet range at best, if I recline in my chair the buttons don't register. The whole point of me getting this was to be rid of cables, so now I use my 4' cable to controller (better range and keys register)
What people say about the fit is true, I had to take a pliers to the thing to remove it from the USB port, for me it's no big deal cause I game on my PC and don't require it to be unplugged every time, for notebook users this will be a problem.

Overall I would not recommend this unit, small and easy to use is great, but pointless when you can't use it. The laughable range alone makes this a terrible purchase, and shame on the manufacturer for claiming false range specs when it drops at arms length.

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Ownership: 1 day to 1 week
Verified Owner
3/ 5
Works but.....

Pros: Small and out of the way USB plug in. Use their install disk or I downloaded and used some newer drivers--this is in Win 10 64 bit. If plugged in correctly it had no problem finding and pairing to the speakers--no need to make any changes in Win 10.

Cons: As others have mentioned it's ridiculously HARD to plug in a USB socket,I've never plugged anything into a USB port that's this hard. The dongle end will glow blue when it's fully seated,won't work if you don't see that color. Pretty short range. I can get a range of about 8 ft max on audio.

Other Thoughts: Eh..it'll do for now but I wouldn't buy this one again.

Did you find this review helpful?
Manufacturer Response:
Thank you for choosing IOGEAR and we apologize for the inconvenience. The GBU521 is a 4.0 Bluetooth with a range up to 30 feet. The problem described could be related to the device you are connecting. We will have your comments about the size forwarded to the product engineers. To better service you and understand your set up, please feel to contact our customer support at 1-866-946-4327 or email us: support@iogear.com. Once again, thank you for choosing IOGEAR.
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