All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
1.Use the CSR BC417 mainstream bluetooth chip, bluetooth V2.0 SPP protocol standards
2.Module working voltage 3.6 V to 6V
3.HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your for Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED.
4.6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your for Arduino Board
5.Can be switched via AT commands as master or slave mode , the device can be connected via AT commands specified