KZ ZAR NO MIC - in-ear headphones, black and gold

Headphone frequency: 20 - 40000 Hz | Package contents: Headphones | Ear coupling: Intraaural | Headphone sensitivity: 109 dB | Connectivity technology: Wired | 3.5 mm connector: Yes | Product colour: Black | Recommended usage: Music | Wearing style: In-ear | Impedance: 16,5 Ω | Detachable cable: Yes | Warnings: Do not use near sources of heat or flame. | Warnings: Keep away from children. | Warnings: Regularly check the condition of the batteries to prevent leaks.