Profile SIFSOF LLC Show my name on the attendees list for events I am attending: Yes Buy online high quality Bluetooth ECG Monitor online at affordable price. Bluetooth ECG Monitor is use to make ECG analysis and assist doctors to give solutions.Contact us today for more details! Last activity: on 08/12/2017 Joined: on 08/12/2017 https://www.sifsof.com/ Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.