Description: Universal 3.5mm jack, the headphone can use with all devices with 3.5mm port, such as smartphones, , laptops, computers, and etc. Compatible with Android systems. With solid sound-insulating material, the earphones reduces external noise while minimizing the sound leakage, crystal clear sound experience. One-key & music, press once to answer call, pause/play music, to hanging up calls, long press to reject calls. Ergonomic in-ear design, with soft earplugs, lightweight, it makes you feel comfortable even after long time wearing. Easy to carry, plug and play, a prefect gift for your friends and family members. Specification: Model: S12 Material: Plastic Electronic components Frequency Response: 20 Hz~ 20KHz. Impedance: 16Ω± 15% at 1kHz. Sensitivity: 86 ± 3dB. Distortion: 5% at 1kHz 1mW. Connector: 3.5mm Length: 110mm Compatibility: Android & IOS Type: Wired Earphones Size Chart: Length: 110mm/4.33inch Package Includes: 1 Piece Wired Earphones(6 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!