EXTREME COMFORTABLE TO WEAR - Pillow soft foam earmuff and adjustable padded headband ensure you premium comfort even during long listening. You may worry for hurting ears if wearing too long. During the long time audio entertainment, no burden imposes to you so that you can consistently concentrate on what you concern.HANDS-FREE CALL - This high-quality built-in microphone for hands-free calls which is convenient for you to free yourself from wires. Just press on call receive button easy nothing more complicated.FREQUENCY RESPONSE - Balanced mid-range tones, crystal-clear highs, and our exclusive Bass Up technology with 400 mm audio drivers for deep, intense sound reproduction. Even the Speaker Frequency Response 110mw are covered.SUPERIOR SOUND QUALITY - High precision 400 mm driver, acoustic positioning precision enhance the sensitivity of the speaker unit, making it perfect not only for playing games but also for listening to music or watching movies by your phones/computer.STEREO HEADPHONE, TF CARD ACCESS POINT - Microphone Sensitivity: - 54dB+ 2dB, Speaker Impedance: 320hm+15%, Speaker Sensitivity: 105dB+ 3dB Speaker, Maximum Power Input : 100mw and Cord Length : 1.2 Meters. It has option of inserting of TF card and enjoy your music.