This is a great cell phone that can go through a lot and take a beating and keep working without missing a beat. Performance This phone performs great. I have not had any problems with it since getting it. Voice Quality The phone sounds fine when you have it up to your head but can be hard to hear when you have it on speakerphone. Battery Life Battery life is good. You can go almost all day long on the phone without having to worry about charging it in between. Durability This phone is awesome when it comes to durability. I have dropped it into water, off of roofs, and done all kids of other things that would have broken other phones. The only drawback is the the keys can get worn down pretty quick. Ease of Use very easy to use. Just flip it open and dial the number. Design The design is good for the type of phone that it is. I have not had any problems and the water proofing is a life saver. the only issue i have seen is that they are prone to break at the hinge if you are not careful.