The Bluetooth Shield integrates a Serial Bluetooth module. It can be easily used with Arduino/SeeedStudio for transparent wireless serial communication. You can choose two pins from Arduino D0 to D7 as Software Serial Ports to communicate with Bluetooth Shield (D0 and D1 is Hardware Serial Port). The shield also has two Grove connectors (one is Digital, the other is Analog) for you to install Grove modules.
100mm x 65mm x 30mm
Power supply Voltage
9600, 19200, 38400, 57600, 115200, 230400, 460800
Default Baud rate
9600, Data bits: 8, Stop bit: 1, Parity: No parity