For me it didn't work since the beginning. I contacted the MJ technician and after 40 minutes MJ worked, then when I made the calls, the sound wasn't clear, and suddenly the communication was gone. When I received phone calls, my friends couldn't hear me clearly. Then I contacted the tech again and I was told to change my phones for a different brand that were compatible with MJ. I did, I spent around $65.00. No positive results. I struggle for 1 year on and off, but one day I just gave up on it. I contacted again the MJ tech... read full review »