Grow your audience and the strength of your business with this Parsley Neckband Headphones!The Waterproof Neckband Headphones build in recharger battery with 500 mAh capacity,has great battery life with 150 hours standby time and up to 50 hours playtime.With an ergonomic in-ear designIt perfect for sport,and feature a stereo sound let you enjoy wonderful music when traveling and doing sports.