"best bluetooth headset I have bought"5.0 starson by asoc503
Pros: It works great with Iphone4 ,fit is great. sound quality in and out great
Cons: nothing so far
Summary: Over the years I have owned all brands of bluetooth head sets. Sound id 510 is the best so far. I also have Jawbone Hero and Plantronics Pro. Jawbone I had problem people hearing me I had to repeat myself all the time. Plantronics Pro was good but It would not play music through headset. Finally there is a bluetooth headphone that works great with Iphone4. I am very happy about it.