COOLEAD Stereo Foldable Headphones, Over-Ear, Noise Cancelling, Light Weight, Wireless Wired Heasphone for Smartphones/ Mp3/4 Players/Laptops/ Computers/Tablet/ iPhone/Samsung/ iPod(White) Great Sound Quality -HiFi wireless with 40mm speaker, and noise reduction technology, talk clearly, best audio performance Human Body Engineering Technology - Equipped with protein leather earpads, ergonomic design, soft touch and good air permeability. Special Design - Folding compact portable design for convenient carrying and storage;With music, volume and call control buttons design you can answer calls and control your music;Built-in microphone you can stay connected to your mobile with hands free calling. Internal Li Ion Battery - Rechargeable battery for up to 12 hours listening between charges. Practical-Not only wireless, also can be used as wired headphone (Provides a simple 3.5mm wired connection of a variety of devices).