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