Features:1. Stereo sound: The 2 loudspeakers next to your ears give you clear stereo sound and avoid noises caused by the wind.2. Microphone: With high definition microphone and hands-free function, it can truly free your hands.3. 3.5mm: 3.5mm gold-plated plug makes it widely compatible with smart devices with 3.5mm port.4. Motorcycle helmet headset: specially designed for motorcycle riders to listen to music, the sound quality is excellent, you can control the volume and switch songs, which is very practical.5. Ergonomic design: follow the ergonomic shape concept, make the headset firmly wear, and experience a long-term stable and comfortable wearing experience.Description:With line control function, three operation buttons allow you to adjust volume, play or pause songs and receive calls.Specifications:Color: BlackHeadphone output source: generalPlug diameter: 3.5mmPlug type: straight plugImpedance: 2 (次)Sensitivity: 5 (dB)Distortion rate: 5 (%)Wire length: 1.2 (m)Package Included:1 * Earphone2 * StickersNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow slight dimension difference due to different manual measurement.