Has anyone heard the heartbeat with a Doppler yet???

Jennifer • Thu, Mar 10 • Due date 10/3/2016 with my 🌈👶🏼. DD 4/13/99 💞. Angel baby 👼 5/22/2014.

If you have heard it how many weeks were you? I have access to one at work but didn't want to try it unless I was sure I could hear it. I'm 10.5 weeks now.