This is Bluetooth dongle, so you can use it only for Bluetooth work. Suppose if you try to play online music in your speaker by using your smartphone. So steps you need = (Step 1) Put this USB Bluetooth in your speaker. (Step 2) Switch on your smartphone Bluetooth and connect with BT-118. (Step 3) Switch on your smartphone internet and play music online.
Hope I will give you correct answer.
If you ask in different angle like 'how to connect internet in my desktop computer or CPU computer ?'
Then you need WiFi dongle with Software CD, which is also available in our website Raipurshop.com