Cootree® qcy C240 Portable Mini Bluetooth 4.1 Wireless Headset Lightweight Sport / headset with Clear Sound, noise cancellation, and In-Ear / Earbud Comfortable design for iPhone 6 6More 5 5S 5C 4S, Galaxy Note 3 2 S3 S4 and Google, Blackberry, LG, other smartphones (Black and Red) (Electronics)
I use these headsets BT mainly to improve my comfort during telephone conversations. For that, it is perfect. Lightweight, comfortable, good sound. No complaints. I am very satisfied. Battery life about 2-3 days using only 3 hours / day.