NewBull Purple 3.5mm Adjustable Over-Ear Stereo Headphone Earphone Headset for iPhone iPod MP3 MP4 PC Tablet Laptop Over-Ear Earphone Headphone 3.5mm ForiPod MP3 MP4PC iPhone Mp3 Mp4 Compatible For Apple iPhone iPad iPod , Samsung Galaxy ,HTC , Motorola , Google Nexus Mobile Phone Fast Ship From California USA With Tracking Number Specifications: Colors Available: Red, White, Black, Blue, Purple, Pink & Yellow Plug: 3.5MM Sensitivity: 102+/-3DB Range of frequency: 20-20000Hz The length of cable: 39.37"/125cm