The CVJ Luki are wired earphones with a 3.5mm plug, 112dB sensitivity, and a transparent blue design. I've only used these earphones for about an hour since receiving them, and then put them away. If you like them, please consider purchasing them! - Brand: CVJ - Model Name: Luki - Plug Type: 3.5mm - Sensitivity: 112dB - Impedance: 28Ω - Frequency Response: 10-40000Hz - Color: Blue - Design: Transparent Thank you for looking.