AMICIKART 2.4G RF Wireless Bluetooth Module RS232 / TTL to UART Converter Electronic Components Electronic Hobby Kit

(1) HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED. (2) The factory setting is slave mode, but you can set this module to master mode so that you might be able to connect to other Bluetooth 2.0 devices.HC-05 Wireless BT Module (3) Input voltage: 3.6V--6V, 7V ban over (4) 6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your Arduino Board