REMAX 305M 3.5mm Full Metal Earphone With Smart Wire Control & MicRemax has come up with a great addition to their sound delivering products‎.‎ Remax 305M is one of the best production that has brought to you with fantastic sound quality noise canceling high bass earphone for your perfect sound entertainment‎.‎ You can enjoy your favorite music or videos with these 3.5 mm in‎-ear stereo earphones‎.‎ The built‎-in microphone allows you to freely talk with your friends and to control your calls anytime‎,‎ anywhere‎!‎ It is compatible with all digital devices containing a 3.5 mm audio jack‎.‎Volume ControlVolume controller with built‎-in microphone for calls will work with iPhone and Android smart devices‎.‎ These headphones are for the people which want quality and convenience‎.‎Tuning Optimization ‎,‎  Metal composite diaphragm technology‎.‎Diaphragm is made of metal and PET composite materials‎.‎ It can take advantage of the physical properties of different layers‎,‎ so that the overall sense of hearing is more balanced‎,‎ solid‎.‎With the mixer program‎,‎ it will be more low frequency dive‎,‎ shocking and powerful bass‎,‎ designed for pop‎,‎ rock‎,‎ electronics and other musical styles and designs‎.‎Smart wire mic control will be more convenient‎.‎ Metal flat ears‎,‎ the sound field large‎,‎ powerful and full sound‎.‎Gold‎-plated high‎-fidelity pin 3.5mm can reduce impedance so that high‎-fidelity transmission‎.‎ ‎- Fine braided wire Anti‎-sweat‎,‎ anti‎-winding‎,‎ anti‎-stretchTechnical Specifications‎:‎     Effective vibration frequency ‎:‎ 20 Hz ‎- 20KHz    Diaphragm ‎:‎ 6u    Impedance ‎:‎ 32 ohm    Sensitivity ‎:‎ 106dB ±3dB    microphone ‎:‎ ‎-45±5dB    Rated power ‎:‎ 3m W    Driver unit ‎:‎ 13mm    Material ‎:‎ braided wire + TPE round wire    Cable length‎:‎ 120 cm    Connectivity ‎:‎  Wired control    Interface  ‎:‎3.5 mm    Features‎:‎ Music Player / HD Microphone / Compatibility / Volume Control