ITEM NAME:1X HC-05 wireless bluetooth RF transceiver module serial RS232 TTL for arduino U Product Description Input voltage: 6V--4.5V ,Default Baud Rate: 9600 Package Included: 1PCS.Find many great new & used options and get the best deals for 1X HC-05 wireless bluetooth RF transceiver module serial RS232 TTL for arduino U at the best online prices at shop2india!