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

Instructions Click here to openFeature Bluetooth V2 0 EDRBluetooth Class 2Built in PCB RF antennaBuilt in 8Mbit FlashSupport SPI programming interfaceSupport UART USB SPI PCM and other interfacesSupport master and slaveSupport software control master slave module3 3V power supplyPassed REACH ROHS certificationParameters Operating Frequency Band2 4GHz ISM bandBluetooth SpecificationV2 0 EDROutput Power ClassClass 2Operating Voltage3 3VHost InterfaceUSB 1 1 2 0 or UARTAudio InterfacePCM interfaceFlash Memory Size8MbitDimension27mm L x 13 W mm x 2mm H Package includes 3 x bluetooth module