Wireless neckband deliver long HOURS of reliable playtime in just one charge. You may forget you even need to charge! Weighing just 30g, these headphones can sit around your neck, from morning till evening. So lightweight that you’ll forget they’re even there. FIT FOR YOUR LIFESTYLE - The soft TPU Neckband, Kevlar reinforced cable is sweat & water resistance including great durability that ensure these headphones will go, wherever you go, whenever you go. just press the multifunction button for 1 sec. PREMIUM SOUND QUALITY - High-Efficiency dynamic drivers bring an excellent wide and deep bass without compromising too much on the treble. CVC6.0 passive noise cancellation maximizes your sound.