High definition built in microphone</br>Standby time of up to 75 hours, Continuous usage time up to 8 hours</br>Frequency response: 20HZ-20KHZ, 40 mm Neodymium Speaker driver and Impedance 32 ohms</br>Rechargeable lithium ion battery 3.7V 300mA, Charging thru computer USB interface/output DC5V/500mA charge</br></br>Product Description</br></br><p>This is Your Style, this is Your Life. KISS ME lets you share your music with the MIXER?s connector, one source can play up to 3 headphones at the same time.<p/>  <p>A Great Sound Performance and Ideal Ear cup contour fit IDANCE KM300 KiSS ME Headphone have features of our popular Jockey Series with unique and eye catching color combinations. The KiSS ME series also integrates an in-line mic use with smartphones. Compatible with iPod, iPod Touch, and iPhone (all generations)<p/>   Specification<br /><br />  - Driver Unit: 40mm<br /> - Driver Type: Neodymium<br /> - Impedance: 32ohms<br /> - Sensitivity: 108dB▒3dB<br /> - Frequency Response: 15Hz~20KHz<br /> - Cord Length: Approx.1.5m<br /> - Cable Type: PVC<br /> - Plug: 3.5mm, gold chrome<br /></br><br/>http://www.amazon.com/gp/product/B009LHYMLQ