TP-Link UB400 Quick Start Guide

(1) UB400/UB4A only supports Windows OS. For windows 8 and above system, there is no need
to install Bluetooth driver, but for Windows XP and Windows 7, you need to install the
Bluetooth driver first.
(2) Try to insert UB400/UB4A into a different USB port on your computer. For Windows XP/7,
try to restart the computer after installing the driver. If it still doesn’t work, please try to
uninstall and reinstall the driver.
(3) Make sure there are no other Bluetooth devices on the computer. If there are, disable all existing
Bluetooth devices in Device Manager, then insert the adapter and try again.
(4) Click Computer Management > Services and Applications > Services > Bluetooth support
Service, double-click on the Startup type to change to Automatic, and the service status to
Start.

TP-Link UB400 Specifications

General

Internal	No
Certification	FCC, CE, RoHS
Product color	Black, Gold
Easy to install	Yes
Output interface	Bluetooth
Bluetooth version	4.0
Wireless range	10 m
Sustainability certificates	RoHS
Quantity	1
Package depth	102 mm
Package width	118 mm
Package height	23 mm
Windows operating systems supported	Windows 10, Windows 7, Windows 8, Windows 8.1, Windows XP
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	10 - 90 %
Harmonized System (HS) code	84733020

Weight and Dimensions

Depth	6.8 mm
Width	14.8 mm
Height	18.9 mm