Kinivo BTD-400 Bluetooth 4.0 USB Adapter - For Windows 8 / Windows 7 / Vista - Compatible with Bluetooth stereo headphones and other Bluetooth peripherals (personal computer)
The Bluetooth adapter looks small and inconspicuous. And it will be a guide and an installation CD. But I did not need anything from them, because I, as a real man just joined the stick and looked what happened (The instruction can finally read if no