Reliability Long Range Bluetooth Adapter for PC: BU03 Bluetooth Dongle for PC turns non-Bluetooth PC or laptop into Bluetooth-capable, enables wireless communication with Bluetooth-enabled computers, printers, phones and headsets for stereo music wireless streaming. backward compatible with old Bluetooth 5.2/5.1/5.0/4.2/4.0/3.0/2.1/2.0/1.1. and supports Dual mode (BR/EDR+ Bluetooth Low Energy) to achieve low energy consumption and high speed. | Better Performance, Faster Speed & More Stable: The usb Bluetooth adapter engineered with the latest Bluetooth 5.3+ EDR (Enhanced Data Rate)+BLE (Bluetooth Low Energy) technology to achieve lower energy consumption and faster data transfer speeds of up to 3Mbps, featuring four times the range, two times the speed, and eight times the broadcasting capacity of older versions of Bluetooth. Enables Larger scope, fast, lag-free wireless data connections between your computer and Bluetooth devices. | Longer Range Wireless Coverage: Our Bluetooth adapter for pc uses Class 1 radio technology, equipped with a enhanced 5dBi external antenna, and the transmission range in the open area can reach Upto 328ft/100m-492ft/150m( Note: The actual transmission range will be affected by physical obstructions and wireless interference. Our test of up to 492 feet was conducted in an open area without any other obstacles)Bluetooth connections are no longer affected by distance. Enjoy the joy of wireless connection at home without having to be near the computer, free from distance restrictions. | Stream Music & Take Calls: BU03 usb Bluetooth adapter enables NON-Bluetooth PC or Laptop to pair and connect with Bluetooth headphones or speakers for stereo music wireless streaming. Also, you have the ability to take Skype or phone calls using your Bluetooth headset mic or use the USB adapter to transfer data files to / from mobile phones / tablets. | Plug & Play: This Bluetooth adapter is Plug & Play for Win8.1/10/11, just plug the USB wireless adapter into your computer, you can use it directly. Not limited by network and location. You can use the Bluetooth function anytime and anywhere. Greatly improve your work efficiency and save your time. (Please disabled all the existing Bluetooth function firstly. Not applicable to Mac OS, Linux, TV, Car Radio or Microsoft) | Up to 5 Devices Sync Connected: Our Bluetooth dongle for pc supports up to 5 devices to be connected at the same time without interfering with each other, Which means that you can listen to high-quality music while using the keyboard or other devices. You can fully use the USB Bluetooth Adapter to connect multiple devices simultaneously. | Reading Before Buy: 1. Please disabled the existing Bluetooth function (built-in and third-party Bluetooth)before you plug it into your PC. 2. It's not compatible with Mac OS, Linux, Car Stereo systems, XBOX or TV. 3. It can not be used directly on PS3, PS4, PS5, Switch, or Xbox Console; but it can be paired with Game Controllers. 4. It only can be paired with Bluetooth devices, like Bluetooth headphone, Bluetooth speakers, etc

Mini USB Bluetooth 5.4 Adapter - The magical BT543 wireless Bluetooth dongle turns your Non-Bluetooth PC Laptop Desktop Computer to feature latest Bluetooth 5.4 function at once. （BT543 is particularly perfect for laptops, and if used for desktops or computers, it is best to plug the Bluetooth adapter into the real USB port on the back of the desk）Then you can enable your PC to pair & connect with Bluetooth headphones/headset/mouse/keyboard/printer/tablet to enjoy stereo, clear calling, wireless operation or files transfer freely. | Plug and Play, Easily Setup - Plug and play for Windows 8.1, 10, and 11 (make sure your computer is connected to the internet); Supports Win7 (driver required for Win7 and could be downloaded). Notes: 1. The BT543 PC adapter is not compatible with Apple-Mac, Linux, TV, Car-Stereo or Windows 8/XP/Vista. 2. BT543 is not to be used directly on Xbox/PS4/PS5 console, only for game controllers used on PC. 3. Two BT543 dongle can be paired with each other. | The Most Advanced Bluetooth 5.4 Technology - Engineered with the latest Realtek Bluetooth 5.4 chipset supports dual mode (BR/EDR + BLE). Greatly improves the stability of the connection data transfer speed, reduces the possibility of 2.4GHz signal interruption and gets low power consumption. Can link BR/EDR and BLE at the same time, No lag, No loss and it is backward wide compatible with old Bluetooth 5.3/5.1/5.04.2/4.0/3.0/2.1/2.0/1.1. | Get Clear Calls, Enjoy Stereo Music - BT543 Bluetooth USB receiver for PC/Laptop to pair with Bluetooth headphones or speakers for superior stereo music wireless streaming. Also, you have the ability to take Skype online calls using your headset mic and use the USB adapter to transfer data files to / from mobile phones / tablets. | Faster Speed, Farther Coverage - With the Bluetooth 5.4 technology and the unique built-in smart antenna, this USB Bluetooth PC adapter will get faster data transfer speeds of up to full 3 Mbps, which is double what old Bluetooth supports and extend range of transmission distance up to 50ft/15M that is four times compared to old Bluetooth in open space. Note: The operational range can be affected by walls, physical obstructions and wireless interference. | Up to 7 Devices Sync Connected - BT543 Bluetooth 5.4 dongle for PC Laptop supports up to 7 different types of devices to be connected and can work together at the same time without interfering with each other, Which means that you can listen to high-quality music while using the keyboard mouse or other devices. But If Bluetooth audio devices of the same type (such as speakers/headphones) are connected, only one of them can play music. | Nano Mini, Invisible Design- A sleek, ultra-small design means you can insert the Nano Bluetooth adaptor into any Laptop USB port and simply keep it there regardless of whether you are traveling or at home. | Warm Tips - 1. Ensure there is no Bluetooth built-in the computer. If there is, please be sure to disable all existing Bluetooth devices in "Device Manager" at first, then insert the adapter and try again. 2. If you have any question about the driver installation or product usage, you can contact our reliable customer service via Amazon Message, and we will reply to you quickly within 24 hours.

USB Bluetooth 5.4 Adapter - The magical BT541 wireless Bluetooth dongle can allow your Non-Bluetooth PC Laptop Desktop Computer to feature latest Bluetooth 5.4 function at once. Then you can enable your PC to pair & connect with Bluetooth headphones/headset/mouse/keyboard/printer/tablet to enjoy stereo, clear calling, wireless operation or files transfer freely. | Plug and Play for Windows OS - Plug and play for Windows 8.1, 10, and 11 (make sure your computer is connected to the internet); Supports Win7 (driver required for Win7 and could be downloaded). Notes: 1. The BT541 PC adapter is not compatible with Apple-Mac, Linux, TV, Car-stereo or Windows 8/XP/Vista. 2. BT541 is not to be used directly on Xbox/PS4/PS5 console, only for game controllers used on PC. 3. Two BT541 dongle can be paired with each other | The Most Advanced Bluetooth 5.4 Technology - Engineered with the latest Realtek Bluetooth 5.4 chipset supports dual mode (BR/EDR + BLE). Greatly improves the stability of the connection data transfer speed, reduces the possibility of 2.4GHz signal interruption and gets low power consumption. Can link BR/EDR and BLE at the same time, No lag, No loss and it is backward wide compatible with old Bluetooth 5.3/5.1/5.04.2/4.0/3.0/2.1/2.0/1.1. | Get Clear Calls, Enjoy Stereo Music - BT541 Bluetooth USB for PC/Laptop to pair with Bluetooth headphones or speakers for superior stereo music wireless streaming. Also, you have the ability to take Skype online calls using your headset mic and use the USB adapter to transfer data files to / from mobile phones / tablets. | Faster Speed, Farther Coverage - With the upgraded Bluetooth 5.4 technology and the unique built-in smart antenna, this USB Bluetooth PC adapter will get faster data transfer speeds of up to full 3 Mbps, which is double what old Bluetooth supports and extend range of transmission distance up to 66ft/20M that is four times compared to old Bluetooth in open space. Note: The operational range can be affected by walls, physical obstructions and wireless interference. | Up to 7 Devices Sync Connected - BT541 Bluetooth 5.4 dongle for PC Laptop supports up to 7 different types of devices to be connected and can work together at the same time without interfering with each other, Which means that you can listen to high-quality music while using the keyboard mouse or other devices. But If Bluetooth audio devices of the same type (such as speakers/headphones) are connected, only one of them can play music. | Warm Tips - 1. Ensure there is no Bluetooth built-in the computer. If there is, please be sure to disable all existing Bluetooth devices in "Device Manager" at first, then insert the adapter and try again. 2. If you have any question about the driver installation or product usage, you can contact our reliable customer service via Amazon Message, and we will reply to you quickly within 24 hours.

Magical Bluetooth USB Adapter for Windows 11/10/8.1/7 OS PC: - The BT542 Bluetooth 5.4 USB dongle can turn Non-Bluetooth PC, Laptop or Desktop into Bluetooth capable, enables wireless function to pair/connect with your Bluetooth headset headphones speaker for streaming stereo music, online talking or Bluetooth keyboard mouse for wireless operation or Bluetooth printers PC Tablet for files photos fast transfer. | Upgraded Latest Bluetooth 5.4 Technology: - The BT542 Bluetooth adapter Applies the latest Bluetooth 5.4technology that backwards compatible with old Bluetooth version V5.3/5.1/5.04.2/4.0/3.0/2.1/2.0/1.1.Supports Dual Modes, BR/EDR and Low Energy Controller. Quick response and better anti-interference, say goodbye to delay and lag. The anti-interference ability has been increased. Enjoy wireless freely, Operate with flexibility and ease. | Plug n Play ONLY for Windows OS System: - Plug and Play to work with Windows 11/10/8.1; Supports Win7 (Driver required for Win7). Please NOTES: 1. It's not compatible with Mac OS, Linux, Car Stereo systems, XBOX or TV. 2. It can’t be used directly on PS3, PS4, PS5, Switch, or Xbox Console; but it works with Game Controllers. | More Stable, Faster Speed, Further Coverage: - This Bluetooth dongle is equipped with Bluetooth 5.4 + EDR, Improves the stability of the connection, Gets faster data transfer speeds of up to 3 Mbps, which is double what Bluetooth 4.2 supports, Utilizes Bluetooth low energy technology for energy-saving wireless connectivity. Extended range of transmission distance up to 66ft/20M in open space. | Stream Music, Talk Calls, Broad Application: - BT542Bluetooth USB adaptor converter for PC connects with Bluetooth headset headphones or speakers for stereo music wireless streaming. Also, you have the ability to take Skype or phone calls using your headset mic and use the USB adapter to transfer data files to / from mobile phones / tablets. | Reliable Compatibility, 5 Devices Sync Connected: - BT542 Bluetooth 5.4 dongle for PC Laptop supports up to 5 devices to be connected and can work together at the same time without interfering with each other, Which means that you can listen to high-quality music while using the keyboard or other devices. But If Bluetooth audio devices of the same type (such as speakers/headphones) are connected, only one device can play music. | Warm TIPS: - BT542 is not compatible with Mac, Linux, TV, Windows 8 or any game console. Please also note that existing internal Bluetooth function needs to be disabled to utilize BT542. Step 1: Go to settings/"Bluetooth & devices" and remove devices you have already paired. Step 2: Go to the device manager (Win + X and select “Device Manager”), expand the Bluetooth section and look for something that says "Radio". Right click on this and select "Disable", then insert the adapter and try again.

USB Bluetooth 5.4 Adapter - The magical BT540 wireless Bluetooth dongle can allow your Non-Bluetooth PC Laptop Desktop Computer to feature latest Bluetooth 5.4 function at once. Then you can enable your PC to pair & connect with Bluetooth headphones/headset/mouse/keyboard/printer/tablet to enjoy stereo, clear calling, wireless operation or files transfer freely. | Plug and Play for Windows OS - Plug and play for Windows 8.1, 10, and 11 (make sure your computer is connected to the internet); Supports Win7 (driver required for Win7 and could be downloaded). Notes: 1. The BT540 PC adapter is not compatible with Apple-Mac, Linux, TV, Car-stereo or Windows 8 XP vista. 2. BT540 is not to be used directly on Xbox/PS4/PS5 console, only for game controllers used on PC. 3. Two BT540 dongle can be paired with each other. | The Most Advanced Bluetooth 5.4 Technology - Engineered with the latest Realtek Bluetooth 5.4 chipset supports dual mode (BR/EDR + BLE). Greatly improves the stability of the connection data transfer speed, reduces the possibility of 2.4GHz signal interruption and gets low power consumption. Can link BR/EDR and BLE at the same time, No delay, No loss and it is backward wide compatible with old Bluetooth 5.3/5.1/5.04.2/4.0/3.0/2.1/2.0/1.1. | Get Clear Calls, Enjoy Stereo Music - BT540 Bluetooth USB for PC/Laptop to pair with Bluetooth headphones or speakers for superior stereo music wireless streaming. Also, you have the ability to take Skype online calls using your headset mic and use the USB adapter to transfer data files to / from mobile phones / tablets. | Faster Speed, Farther Coverage - With the upgraded Bluetooth 5.4 technology and the unique built-in smart antenna, this USB Bluetooth PC adapter will get faster data transfer speeds of up to full 3 Mbps, which is double what old Bluetooth supports and extend range of transmission distance up to 66ft/20M that is four times compared to old Bluetooth in open space. Note: The operational range can be affected by walls, physical obstructions and wireless interference. | Up to 7 Devices Sync Connected - BT540 Bluetooth 5.4 dongle for PC Laptop supports up to 7 different types of devices to be connected and can work together at the same time without interfering with each other, Which means that you can listen to high-quality music while using the keyboard mouse or other devices. But If Bluetooth audio devices of the same type (such as speakers/headphones) are connected, only one of them can play music. | Warm Tips - 1. Ensure there is no Bluetooth built-in the computer. If there is, please be sure to disable all existing Bluetooth devices in "Device Manager" at first, then insert the adapter and try again. 2. If you have any question about the driver installation or product usage, you can contact our reliable customer service via Amazon Message, and we will reply to you quickly within 24 hours.