The Bluetooth Over-EarStereo Headphones by IfeccoDirect have good clear sound. Pairing is very easy and happens quickly. The Hi-Fi stereo sound makes phone use and music sound good. The headphones are foldable and extendable for a comfortable fit. Not only can you listen to music on your smart phone, but there is a built in FM radio. There is also a built-in microphone to talk on phone calls. There is a power button which also accepts and ends calls and 2 volume buttons for louder and softer calls and music and to forward and reverse tracks of music. These headphones can be used wireless and wired with the audio cable. Music plays for 6-8 hours on a charge and takes 2.5 hours to charge.