Product details of QKZ AK6 Earphone Copper Driver HiFi Sport In Ear for Running Sports With Microphone Headset High performance copper actuators are ergonomically designed. HiFi sound technology brings excellent music enjoyment. Ergonomic in-ear earbuds brings great wearing comfort. 3.5mm plug suitable for most mobile phones, tablets, MP3, MP4, etc. Specifications: Product Name: AK6 Moving coil specification: 10mm Horn resistance: 16 Ω ± 15% Frequency response range: 20-20KHz Sensitivity: 98dB ± 3dB@100Hz Material of wire: twisted wire Length: 120cm ± 3cm Plug: 3.5mm Color: Pink, Green, Blue, Yellow Package Include:1 *Earphone 1* Earphone box 1* Clip 1 pair Ear hook 2 pair Ear tips