Rejuvenate yourself! There can't be a better way to relax then enjoying that perfect music oozing out of your favorite headphone! Envent Livefun 550 headphones offer you that experience with its unique mix of immoderate design and technology which have teamed up to give you that perfect experience. The Livefun 550 is constructed with the finest materials. The mechanics of the device are silk smooth and gives you the flawless fit. Good quality materials mean that things stay like that for a long long time. Ease to carry is most critical part while choosing a headphone and this splendid looking headphone really comes handy there. With its foldable cups, you can slide it anywhere from you back pack to your laptop bag pocket or in a hand carry purse. Battery life is another important aspect while determine your selection and this doesn't disappoint you at all. With around 8 hours of play or talk time you will practically sail through your entire working week without charging it again. What's more even if you ever run out of power Just insert the 3.5mm AUX cable provided and the party goes on. Yes! There is an additional jack port too. The Bluetooth range is also phenomenal. In the periphery of around 30ft you rom around with an iota of breaking in the sound. opearing is simple. We have spent hours perfecting how you interface with it. You now have just three buttons that give you all the functions. There is a control module for the power on/off, pause and call connect key, volume increase and song forward shft are on the second button, decrease and song reverse shift is on the third button. Connecting to any device like phone tablet, All you have to do is press the on button till the light blinks and then accept the Livefun 550 on the device that is all. You are now ready for mind blowing performance.