Hello guys, Nepal this headphone to listen music because I love music. Unexpectly that music quality very low . Its wireless Bluetooth headphone. Battery back up for Bluetooth headphone was not good. It cam be use only 2 hours after full charging. If you are traveling and want to enjoy music you should be carry charger for charging Bluetooth headphone. Music quality of sounds in Bluetooth headphones was veey low . Its hard to listen music for long time. Start feel pain in ears by using headphones. Harmful for ears for long time use . Shape of headphones is not good and comfortable . I faced problems to freely move my neck when I weard this Bluetooth headphone. Buttons are given to the back side of the headphones so you can not see buttons besides of your neck if you want play next song , play and pause then you have to take your hand back at your neck. When you are using Bluetooth headphones and call comes then you can’t attend the call .