Avantree E171 Sports Headphones Wired with Microphone, Sweatproof Running Over Ear Earphones with Ear Hook, in Ear Jogging Earbuds for Workout Exercise Gym Compatible with iPhone, Cell Phones

Avantree E171 is a sports earphone with Microphone. With its ergonomics and ear hook design, you can Comfily enjoy music during sports time. The in line control makes you never miss any important call and the collar clip will out for more clear call. Specification* Speaker Size: 12mm * frequency Range: 20 20KHz* Sensitivity: 953dB * impedance: 32ω20% * Cable length: 120cm what's in the box. * E171 * spare ear tips compatibilityiPhone, iPod, iPad, smart phones, MP3 players, tablets and other devices with 3. 5mm audio jackWe offer 24 months for normal use. Live online support, Telephone Support, and email support are available. Video user guide are available also from Avantree site. We are committed to 100% customer satisfaction.