System Support: Windows 8/10/11.(Not work with Mac OS, Linux. car systems, Xbox and TVs.)Note:Q: If your Bluetooth adapter does not work (there is a driver error problem), please use the following methods to solve it.A:Since Windows 10 system has Bluetooth function which is the"Intel(R) Wirele Bluetooth"in this imageSo you need to right-click to disable the Bluetooth: "Intel(R) Wirele Bluetooth" and then re-plug our Bluetooth adapter to try.Other Questions:1.Please confirm your computer system before use. Win7 and XP systems need to download drivers.If your computer system is Win8, Win10+, you do not need to install the driver.2.Only supports WINDOWS system computer, not support Apple or other systems.Not support to use in the car.4.This product can only be used on the computer to connect to other devices. It can not be used directly on the TV.If you have any questions, please contact our customer service, including the downloaded driver files.Reminder before usea:The PC is connected to the Internet,and the Automatic Windows Update setting is turned on.b:Windows system check for updates to the latest status.c:If you have any installation problems,please contact customer service for support first. Feature: Supported Systems:Windows 8/10/11(32/64bit).(Free driver). CPU Speed:500MHz or higher. Hard Disk Space:500MB Memory:1 GB or more. Cla I Power Standard:Distance of 0-50 meters. TX Transmiion Rate:3Mbps. Transmiion Frequency:2.4GHz. LED Indication:Power on,Connecting,Standby. Protocol:HFP1.6/HSP1.2/AVRCP1.4/A2DP1.2/FTP1.2 Model Number:Z03 Built in FPC antenna, Farther away, More stable Q1:Bluetooth 5.1 driver installation error reported. The driver may conflict with other Bluetooth drivers,it is recommended to disable or uninstall other Bluetooth drivers in your computer's device manager before installation. Q2:It can't search or pair to any Bluetooth devices. 1.Click the Buletooth icon,select more Bluetooth devices on the right,check"Allow Bluetooth devices to find this computer 2.Clear the original pairing record,and restart the computer again and search devices. Q3:The adapter stops working after a while. Open the device manager and found Bluetooth,right click"Update driver",click"Search Automatically for Updated Windows Driver". Q4:Which devices are compatible? Support Windows 8/10/11, Not applicable for Mac OS,Linux,TV,Car. Q5:Can the Z03 support more than one device at a time? Of course, the USB Bluetooth adapter can support up to 7 different types of devices at a time. But can't connect two same-function devices at once, such as two Bluetooth speaker BLUETOOTH 5.1+EDRTransform your old desktop computer into a Bluetooth powerhouse with the USB Bluetooth adapter. The Z03 adapter utilizes Bluetooth 5.1+Enhanced Data Rate (EDR) technology, providing a maximum transmiion rate of up to 3Mbps. It enhances interference resistance and stability while reducing interference in the 2.4GHz frequency range. This significantly improves wirele connection efficiency. Mini-sizedOur Bluetooth adapter for PC is specifically designed for convenient on-the-go use. Its compact structure makes it easy to carry with you. Wherever you are, you can achieve seamle connectivity on your laptop or desktop computer, bringing your wirele devices anywhere you go. Plug and playThe Bluetooth adapter ensures true plug-and-play functionality on Windows 8/10/11, allowing you to create Bluetooth connections simply by inserting the device without complex installations. The Bluetooth connection is backwards compatible with Bluetooth V5.0/4.0/3.0/2.0/1.1. Please note that Windows 7 requires driver installation. To download the driver, please visit the ZEXMTE website. Expanded signal coverageThe mini Bluetooth adapter features a built-in FPC antenna that allows it to cover distances of up to 50 meters in open environments, doubling the connection range compared to older models. It effortlely penetrates through walls, eliminating iues of disconnection and interruptions, ensuring seamle connectivity even in distant locations. Multi-device connectivityThe mini Bluetooth dongle allows simultaneous connections to up to 7 devices, including Bluetooth speakers, headphones, mice, keyboards, printers, and more. This compact and powerful adapter amplifies your wirele signal and enhances interference resistance, ensuring stability even in challenging environments. Enjoy seamle playback of your favorite music, engage in online gaming, or participate in busine meetings without any worries about connectivity. NOTEThe USB Bluetooth adapter is not suitable for Mac OS, Linux, TV or car stereo, and it is not a special Bluetooth adapter for Switch/PS5/PS4.