bought during the big billion day pros1 sound quality is very good bass is optimal2 buttons are well built and works fine while controlling music or calls3 the ear cushions are soft and comfortable4 battery backup is also goodcons1 the headphones feel a bit too tight around the ears i think in due course it will expand and get adjusted but in a first usage its feel a bit tight2 while talking during calls one needs to speak loudly to get picked up by the mic i t