Motorola Mobility V3 Handsfree Headset with Connector fits MOTO Razr V3 Headset "moto phone users guide" Questions

phone searches. Awhile ago I did sync it to another RAZR but I got a new one and I wish to use it on this one. Is there a way to reset the headset? Can I use it? I would really like to and not have to

...phone was given to a friend an then given to me or is there a password that i can reset master clear if so help plz cos its stressing me out really badly do not provide the user manual, however, ...