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.3.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. Specifications Supported Systems:Windows10/11(32/64bit) CPU Speed:500MHz or higher Hard Disk Space:500MB Memory:1GB or more Automatic Free Drive For Windows 10/11 Built-in Wirele Driver, Win10/11 Driver-free Installation Say Goodbye To The Tedious Wirele Driver Installation Proce BETTER PERFORMANCE THAN BLUETOOTH 5.0 DUAL ANTENNA, +2dBi GAIN*2 Support 180 Degree Free Rotation And 90 Degree Bend. Ensure Stable Bluetooth Transmiion/Reception Between Adapter And Router BLUETOOTH 5.1 LONG RANGE USB AUDIO ADAPTER Experience The Wirele Freedom Around The House. Can Work With Up To 7 Devices At The Same Time. ADVANCED BLUETOOTH 5.1+EDR 5.1 Bluetooth Version, Using RTL8761BUV Chip, The Frequency Is 2402-2480mhz MULTI-DEVICE COMPATIBILITY Lmp10 (hci). Lmp10.3 And Above Can Realize Driver-free Three Devices Can Be Connected At The Same Time (such As Headphone, Keyboard And Mouse, Etc) BLUETOOTH 5.1, DUAL MODE (A2DP/BLE) Dual Mode Transmiion / Strong Compatibility / Bluetooth Low EnergyBLE/ Bluetooth Audio Transmiion Model ProtocolA2DP SUPPORTED OPERATING SYSTEM Support 32/64 bit Window 10/11 System (Driver Free). Support for Bluetooth Headset/ Speaker/ Keyboard/ Mouse Mobile/ Phone/ Tablet/ Printer. LONG-DISTANCE TRANSMISSION The Straight-line Distance Of The Barrier-free Environment Can Be 150m. Backward Distance Can Be 30m. PRODUCT SPECIFICATIONS PS:The Following Dimensions Are Measured Manually And There May Be Slight Errors. Feature 1.Support to plug and play, truely driver free. 2.Add bluetooth 5.1+EDR(Enhance Data Rate) technology. 3.More stable signal transmiion for dual antenna design. 4.Can work with up to 7 devices at the same time. 5.Not support for Mac OS, Linux, TV, Car Stereo. 6.Support for bluetooth headset/speaker/keyboard/mouse/mobile/phone/tablet/printer. Packing list: USB bluetooth adapter x 1 Manual x 1 Easy setup: Step 1: Plug the usb bluetooth adapter into the PC/Laptop port. Step 2: Scan for available networks and install automatically,Follow the steps to complete the setup. Reminder before use: A:The pc is connected to the internetand 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. Question part: 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 10/11, Not applicable for Mac OS, Linux, TV, Car. Q5: Can the distance reach 150m? It can be achieved when used in open areas, and it will be reduced to different degrees when used in floors or rooms with obvious obstructions.