Remax RM-610D Portable Sport Stereo In-ear with 3.5mm Jack Earbuds Hands-free Earphone Headset for Smartphone (Silver) Remax USA RM 610D Stylish metallic look: Top metal cutting process chamber, high-precision lathe knife molding, 32 grinding process, anodized metal with a breathable mesh, cool fashion, every detail reflects the stringent requirements for quality and precision and meticulous.