Unblock yourself! Just sit back and rejuvenate with the seamless music. Now with the Envent Livefun 540 headphones you will discover how inordinate design and technology have team up to give you an out of this world experience. The Livefun 540 is constructed with the optimum materials. The design allows for a smooth experience. You wear them and with few easy adjustments they give you a warm fit. The mechanics of the device are pure genius. The sliding mechanism moves like silk and gives you the perfect fit. Good quality materials mean that things stay smooth 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 front pocket or in a hand carry purse. This will settle down anywhere without asking for any noticeable space. Battery life is another important aspect while determine your selection and this doesn't disappoint you at all. With around 8 hours of playtime 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. At around 30ft range you really taste true freedom. Once you connect you don't have to carry the device around. Place it in the center of the room and dance on the ceiling too. Controlling your Livefun 540s is simple. We have spent hours perfecting how you interface with it. You now have just two buttons that give you all the functions. There is a control module for the power on/off, volume increase/decrease and multifunction key for play/pause, answer/end call. Connecting to any phone or tabllet is very easy .