Brand: JTX - Model: JL-730 - Color: Red + black - Sensitivity: -58dB +/- 3dB - Frequency Response: 20Hz~20KHz - Impedance: 2.2Kohm - Connector: 3.5mm audio plug - Cord Length: 112cm - Compatible with HTC / Xiaomi / Samsung / Iphone - For HTC / Xiaomi : Could play and pause and change the music; answer and hang up the call with the three-button remote - For Iphone / Huawei: Could play and pause the music; answer and hang up the call with the three-button remote - For Samsung: Could adjust volume play and pause the music and answer and hang up the call with the three-button remote - Packing list: - 1 x Earphone (112cm-cable)