Jaken Neckband Headphones help deepen your customers's love forword your brand!The Sport Magnetic Headphones with Mic and build in recharger battery with 130 mAh capacity, battery life up to 8 hours playtime.Compatible with Android and iOS device!With an ergonomic in-ear design make it perfect for sport,and the built-in magnet gives this around the neck bluetooth headphones a convenient storage way to carry around when your earbuds not in use. Suitable for gym, working out and running.