Interface Base Board Serial Transceiver Bluetooth Module for Arduino HC-05 06 (Just Board)

Description:
PCB Size:37.3mm * 15.5mm
Input voltage: DC3.6V - 6V
Power anti-reverse
It can work with HC05 / 06/07 / BC04 or other compatible Bluetooth module 
With a clear button, it supports the key support pin module
Pins: VCC / GND / TXD / RXD / STATE / EN
NOTE: This is just base board , the bluetooth module NOT included.

Package Included:

1 X Base Board