Description: Brand Name: Mosidun Model: M18 Type: In-ear Stereo Headphone Jack: 3.5mm Mic: Support Frequency Response: 20-2000Hz Impendance: 32Ω Sensitivity: 42dB Horn Diameter: 40mm Wire Material: PE Weight: 80g Color: Black, White Feature: High-end qulity, no damage to the sound. In-ear design with silicone tips, isolate from outer noise effectively. Ear hook hanging, tuned for sports. Brings you an excellent stereo sound with ultimate fit. Package Included: 1 x Mosidun M18 In-ear Eerphone 1 x Pairs of Eer hook case