Can the UB400 support more than one device at a time?

Yes, the Bluetooth adapter can support up to 7 devices at a time.

What operating systems are compatible with the UB400?

a. Current supported operating systems include Windows 11/10/8.1/8/7/XP, driver needed for WIndows 7/XP.

How do I install the driver for Windows 7 and XP?

a. To install the driver, visit the TP-Link website, search “UB400” and download the driver in the "Support" section

What is A2DP and EDR technology?

A2DP, a Bluetooth standard that allows for high-quality audio streaming when using Bluetooth enabled devices.

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TP-Link USB Bluetooth Adapter for PC, Bluetooth 4.0 Dongle Receiver, Plug & Play, Nano Size, EDR & A2DP Technology, Supports Windows 11/10/8.1/8/7/XP for Desktop, Laptop, Keyboard, etc (UB400)

TP-Link USB Bluetooth Adapter for PC, Bluetooth 4.0 Dongle Receiver, Plug & Play, Nano Size, EDR & A2DP Technology, Supports Windows 11/10/8.1/8/7/XP for Desktop, Laptop, Keyboard, etc (UB400)

Product ID: 148452081

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Details

Brand
TP-Link
Hardware Interface
Bluetooth
Color
Black
Compatible Devices
Desktop
Product Dimensions
0.74"L x x
Data Link Protocol
USB

📏Nano-sized ultra-compact

📶65 ft wireless range

🔵Bluetooth 4.0 latest tech

Description

🔗 Unlock wireless freedom with the tiniest powerhouse!

RELIABLE SUPPORTED - Backed by 24-month warranty and lifetime 24/7 tech support—because your connection deserves peace of mind.
PLUG PLAY SIMPLICITY - Instant setup on Windows 8/10/11—no drivers needed, so you’re ready to connect in seconds.
EXTENDED WIRELESS RANGE - Enjoy uninterrupted audio and device control up to 65 feet away—cut the cords, not the distance.
TRAVEL READY NANO DESIGN - Ultra-small form factor fits discreetly in any USB port—leave it plugged in at home or on the go.
SEAMLESS BLUETOOTH 4 0 CONNECTIVITY - Upgrade any PC or laptop to wireless freedom with cutting-edge Bluetooth 4.0, fully backward compatible.

The TP-Link UB400 is a compact USB Bluetooth 4.0 adapter that transforms any Windows PC or laptop into a Bluetooth-enabled device. Featuring plug-and-play ease for modern Windows systems, a nano-sized design for portability, and a robust 65-foot wireless range, it supports seamless connections to headsets, controllers, printers, and more. Perfect for professionals seeking reliable, energy-efficient wireless communication backed by industry-leading support.

Specifications

Number of USB 2.0 Ports	1
Brand	TP-Link
Series	bluetooth adapter
Item model number	UB400
Operating System	windows
Item Weight	0.353 ounces
Product Dimensions	0.74 x 0.58 x 0.27 inches
Item Dimensions LxWxH	0.74 x 0.58 x 0.27 inches
Color	Black
Manufacturer	TP-Link
ASIN	B07V1SZCY6
Is Discontinued By Manufacturer	No
Date First Available	July 18, 2019

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