One Pin

Model:MT-HPOO3Speaker:40mmSensitivity:116‡3dbImpedance:32+15%0Frequency response:20-20KHzMicrophone:

Connection: 2 x 3.5mm aux jackCompatibility: mobile phone, laptop, desktopBalanced Triple Band HIFI

Headphones but still create a comfortable feeling for the ears, a great choice for Net warriors.Stan