UB400 turns Non-Bluetooth PC or laptop into Bluetooth-capable. Just connect your Bluetooth devices to your computer and enjoy it with ease. 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. With a transmission distance of up to 10 m, you can enjoy lossless music via your Bluetooth headset without hovering around your computer.