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