Bluetooth HC 06 Serial Module

If you're looking for a Bluetooth module with a significant amount of documentation, then this item is for you. The Bluetooth HC 06 Serial Module is the go-to Bluetooth module for Arduino systems. It's tiny but already allows your target device to both send and receive the TTL data via Bluetooth technology without any help from a serial cable to your computer. Makers love it that is why it is popular. Try one so you can find out yourself!

Specifications: 

• TTL data transparent transfer between a host Bluetooth device.
  
• Works with any USB Bluetooth adapters.
• Coverage up to 30ft.
  
• Built-in antenna.
  
• Power input: 3.6V-6VDC (Can not higher than 6V)
  
• Mini Size

Documents:

• Datasheet