1) SUPER SOUND QUALITY BLUETOOTH 4.2- This Earphone uses power efficient Bluetooth 4.2 can connect with two devices simultaneously with ease. It’s works from up to a 10m/33FT away 2) LONG PLAYTIME & ERGONOMICS DESIGN- Earphone has soft silicon ear-buds that form a comfortable seal on the ear canals giving great bass effect. It provides an extraordinary 4+hour’s talk/play time with 80 hours of standby time 3) IN-LINE MIC- The headset has an in-line Mic and +/- controls buttons. Except volume control, the + and - button can make it play next and previous, perfect for answering calls or listening