In Ear Handfree - wired earphone HS-604 - Clear Stereo Sound Headphone - Black HS-604 Corded Headsets Premium material make it much more durable for wear and tear Enjoy your Music Freely high quality accessories Model Number: HS-604 Easy to use Resist high pressure with excellent design perfect material Type: in-ear headphones Contains a microphone Comfortable design for everyday use High quality wired earphone Works with all devices It increases sound output and reduces sound loss Equipped with a loudspeaker Microphone / Volume Control / Call Button Approximately Measurements Speaker diameter: 14.2mm Microphone sensitivity : 90±3dB Impedance: 32Ω Cable Lenghth: 125cm Frequency Range: 20-20K HZ Volume Control Remote control of music and phone calls Anti-interference and more effective Guaranteed high quality sound Function:vary depending on phone model For more products , please check our store --> All.You..Need Store ((https://www.amazon.eg/s?me=A30SQ9O8BBBH8A&language=en&marketplaceID=ARBP9OOSHTCHU))