Cootree Wireless Headphone Sports Headset with Built in Microphone,Bluetooth Headphones Behind The Head,Foldable and Carried in The Purse, Black/Red

| New Version: updated HiFi sound quality and stable signal transmission. Advanced Bluetooth CSR 8635 chipset provides you a faster transmission and lower latency. Wireless range up to 10m(33ft) | | Comfort: it is worn outside the ear rather than in the ear canal.The ergonomic design of these headphones keeps them in place much better than earbuds when you're on a treadmill | | Easy to operate: the headset has 4 control buttons instead of 2 like in-ear buttons. The headset on the right has controls to pick up