Reliability Bluetooth Adapter for PC: The Bluetooth dongle for PC turns non-Bluetooth PC, desktop or laptop into Bluetooth capable, support dual mode (br/edr+ ble) to achieve low energy consumption and high speed. Quick response and better anti-interference, Say goodbye to the annoying lag and delay. Seamless backward compatible with BluetoothV5.2/V5.0/V4.2/4.0/3.0/2.1/2.0/1.1 | Easy to Use: The USB Bluetooth dongle is plug and play for Win 8.1/10/11. just plug the USB Bluetooth 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) | Stream Music and Take Calls: BU02 Bluetooth dongle for PC 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 | Faster Speed, Farther Coverage, More Stable: The Bluetooth adapter for PC equipped with the latest enhanced data rate(EDR) and Bluetooth low energy(BLE) achieve faster data transfer speeds of up to 3 Mbps and extended range of transmission distance up to 66 FT/20 M in open space. The speed and transmission range are 2-3 times what old Bluetooth version supports. Enables fast, lag free wireless data connections between your computer and Bluetooth devices. You can enjoy lossless music via your Bluetooth headset without hovering around your computer | UP to 5 Devices Sync Connected, Auto Reconnection: This PC Bluetooth dongle 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. meanwhile, it supports automatic reconnection function, the computer can automatically connect to the Bluetooth device after the first successful connection | Ultra Mini Size: Mini and low profile compact small Bluetooth adapter PC allows you to leave plugged in your laptop or PC without blocking or interfering surrounding USB ports. plug it and forget it no matter when you are traveling or at home. not in sight, also not in the mind | Warm Tips:: 1. only for PC/computer/laptop/desk based on windows. not for wired printer, speaker TV and so on, not compatible with Mac OS, Linux, TV, Car Stereo systems 2. Please disabled the all existing Bluetooth function (built-in and third-party Bluetooth) before you plug it into your pc(manage my computer/device management/Bluetooth/right click /click “Disable Bluetooth”) 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, NOT for non Bluetooth devices. such as wired printer