Wouldn't know but given they are not compatible with an average human ear I would advise against buying them. Sound is extremely poor and almost impossible to hear voice messages. one of the worst purchases I have ever made
By G S Barnes on 08 August 2014
hi ambus if you phone 150 and press all the numbers they tell you to, you will get through to a help line they will answer any queries you have regarding your phone, hope you have a lovely holiday regards popett4.
By maureen scotter on 01 April 2015