This linux driver let you use your USB bluetooth dongle to simulate keyboard. You can use your linux machine as a keyboard to other computer. Good example of using this driver is to wake up other machine at night by sending bluetooth signal.

将linux电脑虚拟成蓝牙键盘，可以用来控制远程蓝牙设备，比如你的智能手机-this program makes your pc to be a bluetooth keyboard,you can use it to control your remote device