Features: 100% Brand new and high quality! With VCC GND TXD RXD foot for the bluetooth. With LED indicator light. 3.3V LDO baseboard. Input voltage 3.3-6V the input voltage more than 7V is prohibited. Unpaired current is about 30mA matched current is about 10mA. Interface level 3.3 V can be connected directly to a variety of single chip microcomputer (51 AVR PIC ARM MSP430 etc.) 5V microcontroller can also be connected directly without MAX232 nor through MAX232. Transmission distance is about 10 meters Specifications: Color: Green !#!amp!*! blue Dimensions: approx. 3.57cm*1.52cm Package includes: 1 x HC-06 bluetooth RF transceiver module