The footbed seems very rugged. The battery alone has lasted 3 days. 5MM TRS (Tip-Ring-Sleve) connectors and plug them into the provided combining adapter (3. It is NOT for audiophiles or likely intense sports activities but is definitely nice for some relaxing reading time, a walk, run or ride in a gym and not wanting to lose hearing overtime from regular sets. Per quanto riguarda Amazon merita 5 stelle per la comprensione, laiuto e il rimborso solleciti. These headphones really underwhelmed me. The ergonomics are satisfactory. I use them to hike mountains and chase bad guys. I had high hopes for this keyboard. This makes them feel a bit wobblier and tighter for the first little while, but dont worry - the fur lining becomes flattened and matted very quickly, moulding to the shape of your foot.