Bluetooth 4.0 – Applies the latest Bluetooth 4.0 with low energy (BLE) technology and it is backward compatible with Bluetooth V3.0/2.1/2.0/1.1 Driver Free – Plug and Play for Win 8, Win 8.1, and Win 10 Nano-Sized – Ultra-small for convenient portability with reliable high performance Supported Operating System – Supports Windows 10/8.1/8/7/XP Link to Your Computer via Bluetooth UB400 turns Non-Bluetooth PC or laptop into Bluetooth-capable. Just connect your Bluetooth devices to your computer and enjoy it with ease. Bluetooth Headset Game Controller Bluetooth Mouse Bluetooth Keyboard Bluetooth Printers Smartphone/Tablet Plug and Play for Win 8, Win 8.1, and Win 10 For Win 8, Win 8.1, and Win 10, just plug UB400 into your computer to enjoy a fast, convenient Bluetooth connection. Nano-Sized – Plug in and forget A sleek, ultra-small design means you can insert the nano adapter into any USB port and simply keep it there, no matter when you are traveling or at home. Broad Operation Range With a transmission distance of up to 10 m, you can enjoy lossless music via your Bluetooth headset without hovering around your computer.