Description Product Name: Halter Satin Prom Dresses 2017 High Low A-Line Lace up Back Formal Long Draped Evening Gown Party Dresses Special Occasion Dresses Short Description:This gown is designed by the popular designer and beloved by many females. It is free shipping and in high quality and competitive price. --> Features: Dual Driver Earphones Stereo Bass Sport Running Headset HIFI Monitor Earbuds Handsfree With Mic Original Headphones With Mic In-Ear Earbud Earphone Piston Headset Basic Version Stereo Headset For Smartphones Earphone HiFi Ear Phone Metallic Earbuds Stereo BASS Metal in-Ear Earphone Noise Cancelling Headsets DJ In Ear Earphones Strong signal and high quality sound; No more Wire bother you in sports; High-performance materials to build the copper pronunciation unit as the sound body; HD Voice; Super Bass Resonating Speaker; Low bass and hifi stereo sound effect; CVC6.0 Noise Reduction:Intelligent noise elimination function, clear communication; Soft foam earmuffs In-Ear Hook:Ergonomic Engineering Design:Comfortable In-ear Wearing; 3.5mm Universal Compatibility:Compatible with most device,tablet,phones,computer,etc Specification: Material:TPE Speaker:8mm NdFeB speaker Wire Length:1.2m Speaker Power:Rated input power:3mW, Maximum input power:5mW Impedance:16Ω±15% Speaker Sensitivity:95±3dB (at 1KHz 1mW) Speaker Frequency Response:20-20000 Hz Microphone Sensitivity:-42dB±3dB1kHz,3V 0dB=1V/pa Operation Temperature:-10 Celsius --- +40 Celsius Package: 1*Earphone 1*Earphone clip 2*Earphone cover(pair) More Description