RELIABLE BLUETOOTH USB ADAPTER: For laptop or computer, experience instant connectivity anywhere! The mini USB Bluetooth adapter offers PC users a powerful wireless data connection with long-distance range up to 30~65+ feet! This sleek, travel-friendly Bluetooth Dongle Plug and Play Version 5.1 works seamlessly with Bluetooth-enabled devices including headphones, mouse, keyboard, speaker, cellphone, and more. | ADVANCED BLUETOOTH 5.1 ADAPTER: SUPPORT UNCONDITIONAL RETURN. If you have any problem, contact us in time, and we will PROVIDE RETURN REFUND at any time. Adapter applies the latest Bluetooth 5.0+EDR adapter, Bluetooth low energy. With the enhanced Data Rate (EDR) support, Its greatly improved the data transmission rate of Bluetooth technology, reaching 3Mbps. It is backward compatible with Bluetooth2.1/3.0/4.0/4.2 Dual-mode Bluetooth transfer. | HIGH COMPATIBILITY: Bluetooth 5.1 dongle works with 32/64-bit Windows 10/8/7. It can also take full advantage of bandwidth to connect multiple Bluetooth devices simultaneously, such as Bluetooth headsets/speakers/mice/keyboards, smartphones. Can work with 7 devices at the same time. Not applicable for Mac OS, Linux, TV, Car Stereo. | MINI SIZE: Extremely compact USB adapter allows you to leave it on laptop or PC, no need to remove, without blocking surrounding USB ports, ultra-compact, easy carrying and space saving. Bluetooth adapter interface is designed for 24K gold plating, which can effectively prevent USB interface from oxidation. | WORRY FREE CUSTOMER SUPPORT: Please instal drivers via mini CD disc, or install the driver through the contents of the manual. Or contact customer service for driver file and intallation step. Once you've run the software, you can simply insert the adapter to get connected. If you ever have a problem with our Bluetooth Adapter, simply click "ask a question" on your order page or reply our email "Use tips for Bluetooth Adapter 5.0".We offer 12 month worry free service. | SUPPORT UNCONDITIONAL RETURN. If you have any problem with the product, contact us in time, and we will PROVIDE RETURNN REFUND at any time.