Length of sandals are fine. Flats usually slip off because I have a narrow heel in addition to a wide instep. Orologio bello a un ottimo risposta , bello anche il display è possibile tramite l?app Da Fit gestire gli sfondi impostazioni e tanto altro , io lo uso con i phone e mi misura dal app salute pressione cardiaca BPM e ossigenazione del sangue . Plus, you never know when the government is going to repurpose frequency bandwidths, making these useless. I messed with these at first and the sound was a substantial improvement over cheap sony earbuds i was using, music sounded nice etc. I normally don?t write reviews but I just want people to know that you don?t have to spend a small fortune on these types of headphones. Maybe a $200 pair of earbuds gets a better sound, but these are seriously deep and rich. Soft inside. The charging case is an added bonus to make my life easier. -WASH YOUR HANDS before touching anything.