?Stereo Sound Quality?- This wireless headphone built-in industry-leading chip and bluetooth 4.2, Provides you with high fidelity stereo music and crisp treble, giving out a deep clean bass.Easy to pair and stable connection. ?Comfortable & Foldable?- This headphone feature with a foldable and lightweight design,fit almost head sizes.Portable and foldable are more convenient without taking up much space for storage and in carry case(Included). ?Easy to Control Music & Calling?It have 4 control buttons, not two like in-ear ones. The right-hand earphone has controls to pick up calls, raise or lower volume, and skip ahead or go back a bit. Each button is indicated with a raised dot but if you take a minute to situate your finger on the dial it's easy to navigate. Experience true hands-free calling and enjoy music on the go. ?Long Working Time?The built-in high-density rechargeable lithium battery lasts up to 12 hours of uninterrupted playtime/ 13.5 hours of talk time with a quick charge of only 2.5 hours. Don't worry about the lack of electricity when you are in exercise. ?Compatibility ?Compatible with almost all Bluetooth enabled devices such as iPhone, iPad, Samsung Galaxy Series, Android Phones, Tablets and more