TRN TA4 2BA+2DD Knowles Hybrid In-Ear Earphones Add Faaeal PU Square Storage Box Comfortable To Wear Earplugs Semi-open Back Design HiFi Bass Sound High Fidelity Headphone With 3.5/2.5/4.4mm Connectors Sport Gaming Earbuds For Smartphone Computer Players

faaeal. TRN-TA4 2DD 2BA Hybrid In-Ear Monitor Knowles Balance Armature Drivers. Knowles balance armature drivers x 2.10mm beryllium-plated diaphragm dual-magnet dynamic drivers. 6mm titanium-plated diaphragm dynamic drivers. Aluminum alloy and resin housing. 4-core silver-plated copper oxygen-free copper cable with swappable connectors. High Quality PU Leather Fabric. PU leather is widely used and has excellent wear resistance. Excellentair permeability, aging resistance, soft and comfortable. Exquisite Workmanship And Materials. The zipper does not deform and can be used normally after 10000 high strength tests. Square appearance. Good sealing and dust proof High quality PU leather material can prevent moisture. Unique appearance is suitable for carrying