More Details: Features: Headphone can be detachable to cable and headphone head.  High quality、 design for sport.  Different sizes of earbuds.  Just for your choice. Hanging design、 not easy to fall off. Specifications:          General Specification             Brand Name        HOLY SERPENT             Model Number         V9             Color        Black&Red、 Black&Gold             Cable Length        About 1.2m             Wearing Type        In-ear             Product Weight (g)        15g            Cable Material         TPU dual cable            Earphone Shell Material        PC Ultrasonic sealing earshell            Speaker        High efficiency neodymium drive horn           Technical Parameters             Conectivity Interface        3.5mm             Driver Unit        7mm             Sensitivity        118±3dB             Impedance        16Ω ±15%             Frequency Response        20Hz-20kHz            Diaphragm        6U            Microphone        No    Package  Included:                  1 X HOLY SERPENT V9 Headphone            3 X Pairs Earbuds            1 X Cable Holder            1 X Manual