KinChi Bluetooth 4.0 USB Adapter & USB Dongle for PC with Windows 10 / 8.1 / 8 / 7 / XP,Vista, - Plug and Play on Win 7 and above for Cellphones Mouse Printers Keyboards Headsets Speakers KinChi 4.0 USB Adopter-Ultra-compact,easy carrying and space saving KinChi 4.0 USB Adopter-Latest Wireless 4.0 with low energy (BLE) technology and it is backward compatible with Wireless V3.0/2.1/2.0/1.1. KinChi 4.0 USB Adopter-The Ultimate easy solution for your computer to communicate with Bluetooth Enabled Devices such as Mobiles, iPods, Keyboard, Mouse, Printer, Headset, Speaker, etc KinChi 4.0 USB Adopter is with Licensed CD driver compatible with 32 bit and 64 bit Windows 10 / 8.1 / 8 / 7 / XP,Vista. KinChi 4.0 USB Adopter-Offers High Speed up to 3mbps wireless transmitter enables Long Range connectivity Up to 50m