Plug & Play, Nano Size, EDR & A2DP Technology, Supports Windows 11/10/8.1/8/7/XP for Desktop, Laptop, Keyboard, etc (UB400). Adds bluetooth to older computers without built-in supportpositive aspectTiny design stays hidden in usb port, won't block adjacent portspositive aspectWorks instantly on windows 8 and newer without driver downloadsApplies the latest Bluetooth 4. 0 and it is backward compatible with Bluetooth V3. 0/2. 1/2. 0/1. 1. UB400 turns Non-Bluetooth PC or laptop into Bluetooth-capablePlug and Play for Win 8, Win 8. 1, and Win 10. Supports Win7 (Driver required for Win7 and could be downloaded from website free of charge). It is NOT compatible with Mac, Linux, TVWith a transmission distance of up to 65 ft, you can enjoy lossless music via your Bluetooth headset without hovering around your computerFeatures a standard USB-A (Type-A) connector that fits directly into any USB-A port on your desktop or laptop - no cable or adapter required.