Specification :Flat Hifi in-ear Style headphoneModel: Flat headset G105Sensitivity: 104 ± 3DbRated power: 2mWWeight: 10.68gCall key: SupportMicrophone: Built-inWire supports volume adjustmentWire support access / hang up the phone*Five Features, Excellent and ExtraordinaryMusic and telephone two-in-one design convenient to use;Exquisite dynamic drive units bring you balanced original audio texture;Ergonomically in-ear design, Fit ear closely, comfortable to wear;Quality tangle resistant flat cable,soft and flexibleRich color can choose freely, in vogue style.Notes :1. If the input exceeds the maximum bear power, easy to damage the speaker diaphragm, please with appropriate volume using headsets.2. Do not pull the headset cable to avoid breakage.3. Do not use earphones while driving or walking, to avoid traffic accidents.4. Please correct use of earplugs, L is the left, R for right.How to Use?Music Control:Play / PausePress the function button once to control music and video playNext song:Press the function button twice continuouslyReduce the volume: Long press "-"Increase the volume: Long press " "Calls control:Answer a call: Press the function button once to answer CallHang up the phone: Press the function button again to hang up the phoneSpecial note:This headset support only comes with the native system,if latter period system upgrade or brushed, it may incurwire control cannot be used or incompatible, please customer pay attention.