Specifications: General Specification Brand KZ Model ED3m Youth Version Color Blue, Red Cable Length 1.2 m Wearing Type In-ear Shell material Metal Wire material TPE Wire core material 6N OFC10 Compatible with Mobile Phones\/ computers\/ mp3\/ mp4\/ tablet PC Technical Parameters Connectivity wired Conectivity Interface 3.5mm Driver Unit 6.8mm Receive Sensitivity 108dB Impedance 16Ω Frequency Response 7-31000 Hz Package Included: 1 x KZ ED3m Youth Version Earphone With Mic 3 x Earmuffs