The large size of moving parts is clear High-quality diaphragm material, exquisite sound and warmth High quality and clear calls Fitting ear canal comfortable and firm Exquisite wire control built-in high-definition microphone Optional color: white ; XO-S7 Stereo In-ear 3.5mm Music Earphone with Microphone available in Four colors Gold,Silver,Pink, Tarnish Premium aluminum alloy casing with exquisite structure Bright treble, rich tenor and heavy bass, triple frequency equilibrium Built-in HD microphone, enjoy clear hands-free call One-key easy control, never miss your call when listening to music Antioxidant 3.5mm plug ensures high performance, with wide compatibility In-ear style with soft earbuds for comfortable wearing Tough TPE cable, flexible and tangle-free Specification: Driver unit: 10mm Frequency response: 20Hz - 20KHz Sensitivity: 91±3dB Impedance: 16Ω Microphone: built-in Plug: 3.5mm Cable length: 1.2m Compatible with: iPhone iPad iPod with 3.5mm audio jack Samsung Sony Huawei etc phones and tablets with 3.5mm audio jack Package included: 1 x XO-S7 3.5mm In-ear Stereo Music Headphone Brand XO SKU 100234581_NP-1020497065 connector_1 3.5MM