Convenient. Negatives:- No Battery:Unfortunately this has to be plugged into an outlet but I dont think you can get this loud of a sound with this much bass with a speaker that runs on a battery. It can be flipped over, extended, and there are joints and hand-turn adjustments that can support some pretty wild configurations. I like the upper material just fine for my purposes--not sure what would be like if you wear submerged in the water. I am dieting but not working out other than work so I?m sure it will take time before I see results but it is working I believe. The cable has a right-angle 3. His heals were coming up on him with every step. I bought these for my mom to walk around the house in. While I have had the blue footbed for several years, these are my first actual Birkenstock shoes. Pipes were unable to be tightly secured otherwise they would contort and would not fit into other pieces for proper construction, making for a loose structure.