Intcrown S520 wireless Bluetooth headphones especially designed to offer you the best experience of enjoy music</br>It's really excellent that the earphones will stay in your ears comfortable due to its diminutive size?? which maybe the smallest size within the similar products?? in data as 60% lighter than the competition</br>It's perfect for sports?? such as running</br>4 hours working time and one hour recharge time?? 10 meters working distance</br></br>Product Description</br></br>Package contents: Intcrown s520 wireless Bluetooth headphones?? user manual?? USB charging cable and earbuds replacement. They are all in one gift standard box?? which makes Intcrown s520 to be a good gift choice.</br><br/>http://www.amazon.com/gp/product/B00V7GTVSI