h Quality--- High-Quality Bluetooth High Speed Connected, Answering Incoming Calls, Handsfree Talking, Superior Compatibility, High Fidelity Stereo Surround Sound. Foldable Portable Design--- This foldable portable design makes it easy to take along on that vacation or business trip or to store in your desk drawer for use at work. Adjustable Headband--- The headphones offer not the only style with a slim profile but also an adjustable contoured headband, it allows you to get a great position on your head. Easy to controls your headphones--- Can freely control the switch of previous song and song, pausing a song, answering calls, ending calls, refusing the incoming call, dialing the last number, volume control. Works with or without Bluetooth capability--- Not only wireless also can be used as wired headphone (Provides a simple 3.5mm wired connection of a variety of devices).