Here is a review left by a customer on a product. Would you say he was satisfied or dissatisfied?
Title: plantronics 640 small size ok sound
Review: Bought this to carry in pocket when not in ear. Callers say sounds a bit tinny but ok. Like clip for pocket. Pocket charger a bit heavy. Doesn't feel very secure in my ear. bought and use mostly another headset that sounds better to callers
