As a re-optimization product, EDX Pro s fully upgraded in configuration, interface, cable and appearance, which highly restores on-the-spot atmosphere and gives you shock bass quality.Features:【Upgrade Configuration】 Adopting a special dual magnetic circuit dynamic unit with 10mm size, EDX Pro brings more natural low and high frequency performance and rich music details.【Comfortable Wear】 Ergonomic cavity structure fits the auricle and PU ear hooks reduce stress, which allows you to wear for a long time without pressure.【Upgrade Interface】 With 0.75mm standard gold-plated pin, EDX Pro can be upgraded to become BT earbuds by replacing the cable, simple and fast.【Upgrade Cable】 New oxygen-free cooper flat cable, ensures smooth transmission of sound signals and effectively prevents entanglement, more durable and flexible to use.【Upgrade Appearance】 With rare high-end inlay technology, the combination of resin cavity and metal ornaments shows extraordinary texture for a stylish and elegant appearance. Specifications:Brand: Model: EDX ProMaterial: Metal u0026#43; ResinColor: White / Black / Cyan (Optional)Wire Control: No Mic/ With Mic (Optional)Wear Type: Ear Hook Sensitivity: 112dBFrequency Range: 10Hz-20KHzPlug Type: 3.5mmPin Type: 0.75mmCable: Oxygen-free Copper Flat CableCable Length: 125±5cmPackage Size: 10 * 7 * 3cm / 3.94 * 2.76 * 1.18inPackage Weight: 70g / 2.47ozNote:Please read the user manual carefully before using this product.Package List:1 * Earphones with Wire4 * Earplug Silicone Caps1 * User Manual