metal Texture: metal design gives you a special touch and makes the headphones stylish and attractive. Folding Design: Make It Convenient to Carry.The Folding Part Have Been Tested for over 20000 Times. Soft Earmuff: The Use of Protein Genuine Leather Earmuff Make It Comfortable for Long Time Wearing. In Line microphone:The 360 Degree Pickup Microphone Make It Have High-definition Voice Calls. Answer Phone Calls Pause/play Music Support with Switch of Previous/next Songs. Strong Compatibility:Compatible with All Android Phones IOS Winphone and Blackberry System Phones with 3.5mm jack.