KBEAR Knight N52 Magnetic biocomposite diaphragm dynamic driver earbud with silver plated cable. Earphone Specification: 1. Product Name: KB EAR Knight 2. Brand: KB EAR 3. Model:Knight 4. Earphone type: In Ear 5. Impedance: 32Ω 6. Earphone sensitivity: 109db 7. Frequency response range:20Hz-25KHz 8. Plug Type: 3.5mm gold plated straight jack 9. Cable Length: 1.25 10.Color: Black 11.Whether with cable: Yes 12.Whether with mic:No mic 13.Whether can replacement cable: No 14.Driver unit: 15.4mm Dynamic