Ajusen In-Ear Earphones Headphones Stereo Sound Metal Earbuds Built-in Microphone Remote & Noise Isolating with Mic and Volume Control

Features? 1. The metal sides of the headphones are magnetic so you can keep them around your neck without the fear of losing them when not using them. 2. It comes with little rubber cushions of three different sizes, so you can change for the best fit to your ears. 3. Well-packaged in a durable box, it is perfect to protect your headphones and easy to store. Advantage? 1. HD Crystal Stereo Clear Sound Perfect acoustics structural design offer professional quality sound for everyday use. Talk on your cellphone or listen to your favorite tunes with clear sound quality. 2. Innovative Ergonomic Design Comfortable and Lightweight Design, perfectly fits your ears. The In-Ear design makes it the best seal for your ears, reduces noise from outside and avoids excessive sound interrupting others, providing you with hours of listening enjoyment and the best sound quality. 3. Hand-Free Calling and Multifunction Remote The built-in Mic and remote allows you to easily play / pause, control volume, or you have an incoming call, you can easily switch by a click the remote to answer the call. 4. Pocket Size Easily put into your package and backpack, you can enjoy uninterrupted music on the go. 5. Universal Compatibility With a 3.5 mm stereo jack compatible with most portable audio devices including iPhone, iPad and other Android Smartphones or Tablets, MP3 Players. Technical Specification: Normal Impedance: 28 ohm±20% at 1KHz Normal Power Rating: 3mW Maximum Input Power: 5mW Output S.P.L : 98±4dB SPL at 1KHz with 167mVrms input R/L Output Difference: ? 3dB at 1KHz 1mW Distortion: 3% Maximum (1KHz/ 1mW) Frequency Response: 20 ~ 20,000Hz Buzze & Rattle: 50 ~ 3KHz (0.22V) Weight: 14.8±2g Package Including: 1 pair × In-ear headphones 2 Pair × Additional Ear Tips in Different Size