FEATURES: 1. Support the iphone , ipad , mobile phone , computers , laptops , MP3 2. Environmental protection silicone earphone designed , long-term wearing comfort , noise abatement measures ; 3. Ultra-light metal material ,durable and lightweight headphones , comfortable to wear long. 4.Highly conductive line design , anti-widing , classical form and fashion; 5. 3.5mm gold interface , so the best audio signal transmission.