Specification:Moving coil and moving iron combination, create the heavy bass and stereo music quality.?Ergonomic design, perfect fit for your ear and will not fall down easily.?3.5mm plug suitable for most mobile phones, tablets, MP3, MP4, etc.?Item Name: Earphones?Material: Plastic + TPE?Earphone Type: In-Ear?Impedance: 20??Earphone Sensitivity: 99dB/mW?Frequency Range: 20-20000Hz?Plug Type: 3.5mm Straight Plug?Driver Unit: 2BA+1DD Hybrid Driver Unit (Composite Dynamic + Composite BA)?Mic: with Mic?Features: Heavy Bass, Stereo, In-Ear, Wired, Universal??Cable Length: 1.2m/47.24″ (Approx.)??Notes:?Due to the light and screen setting difference, the item’s color may be slightly different from the pictures.?Please allow slight dimension difference due to different manual measurement.??Package Includes:1 Pair of Earphones .