MI0201T Features Smart remote best stage monitor earphones Noise-isolating in-ear for sport All-in-one detachable cables Superb stereo sound quality Ear bud made of high quality material Built-in microphone， perfect for answer and dial calls Pressure-free ear tips come in three sizes for the optional fit Suitable for all mobile devices with 3.5mm interface General Specs Type In-ear earphones Connector 3.5 mm audio jack Built-in Microphone Yes Compatibility Digital devices with 3.5 mm jack Plug  Φ3.5mm mini-stereo gold-plated Speaker Type Dynamic Micro Speaker Sensitivity 95dB SPL/mW Impedance  16Ω Frequency Response 20Hz-20KHz Max. Input Power 100mW Cable Length 1350mm ± 50mm Package Details Weight: 115.56 g Size: 18.5*10*3.5 cm