3pcs HC-05 Bluetooth Module Master-slave Serial Port Communication Board

Feature:

Bluetooth V2.0+EDR Bluetooth Class 2 Built-in PCB RF antenna Built-in 8Mbit Flash Support SPI programming interface Support UART, USB, SPI, PCM and other interfaces Support master and slave Support software control master-slave module 3.3V power supply Passed REACH, ROHS certification

Parameters:

Operating Frequency Band	2.4GHz ISM band
Bluetooth Specification	V2.0+EDR
Output Power Class	Class 2
Operating Voltage	3.3V
Host Interface	USB 1.1/2.0 or UART
Audio Interface	PCM interface
Flash Memory Size	8Mbit
Dimension	27mm (L) x 13 (W) mm x 2mm (H)

Package includes:

3 x bluetooth module