3.5mm Bass Stereo IN-Ear Earphones Headphones Headset With MicrophoneDescription:Features:Perfect fit in-ear design, effectively reduce outside noise.Microphone through the wire means easy to answer the call by press a finger operation.Specifications:Color: Black, WhiteLength: Approx 120cmHeadphone Jack: 3.5 mmFrequency:20-20000HzDrive Size:10mmPackaged included:1x Ear HeadphoneNote:Adjust handsfree sound to the proper volume.Loud sound may damage your ears.For traffic safety,never use the headset while riding a bicycle or motor bike.While driving a car,it is dangerous to increase the sound volume too much because you can not hear external sounds.Take great care about traffic around you.Please don't pull the cord too hard in case of breakage.For your hearing health, not wear headphones too long.