Total silicon house super comfortable to fit your ear for running travel and sleep</br>Universal build-in microphone for iphone Samsung and most smart phones</br>Travel and sleep music best partner total soft silicon comfort to wear and in-ear Noise isolating earplugs</br>Perfect size mini in-ear design avoiding falling out when you walk even do exercize</br>Double layer ear buds fit your ear perfectly offer you pure music in noisy enviroment</br></br>Product Description</br></br><b>Specification</b> <p>Driver: 5mm</p> <p>Sensitivity: 103+ / -3dB </p> <p> Frequency: 20-20kHz </p> <p>Impedance: 16 ohm </p> <p>Plug: 3.5mm Plug </p> <p>Cord Length: 120mm </p> <p>Microphone: talk play pause music for most smart cell phones and skip music function for iphone series and iPod </p> <b>Ear house: Soft Silicone</b> <p>For this kind mini earbuds  which is our unique patent headphones  the selling hits is the whole silicone house could insert your ear comfortable without falling out troublegreatly reduce the noise and provide all-day comfort the ear buds fit gently and safely in the ears?? offering secure placement and long-lasting comfort. Weighing almost nothing ... </p> <p>What's more ?? the mini 5 mm driver offer you crystal crisp sound for most music ?? the mini microphone suitable