QKZ AK7 3.5mm Sports In-ear Stereo HIFI Heavy Bass Wired Earphones(Gray)

Features:1. Adopting 3D hollowing technology, unique and beautiful2. The overall curve is smooth and smooth, and the three frequencies of low, medium and high are reasonably taken into account. The low frequency is powerful, the medium frequency human voice is beautiful, and the high frequency image is clear3. Ergonomic design, comfortable to wear4. Passive noise reduction does not hurt the ears, and effectively isolates the noise from the outside world5. High-quality PC material shaping cavity + surface metal paint, durable and beautiful6. TPE oxygen-free copper spiral stranded wire has good durability and insulation, reducing signal transmission loss7. The high-definition microphone is compatible with standard equipment, and the call is low-latency and clear8. 3.5mm gold-plated interface, widely compatible with various devicesProduct parameters:1. Earmuff material: medical-grade silicone sleeve2. Earphone cable material: TFP3. Wearing method: In-ear4. Headphone output source: HiFi5. Speaker impedance: 16 ohms6. Speaker diameter: 10mm7. Frequency response range: 20-20KHz8. Sensitivity: 98dB9. Plug diameter: 3.5mm10. Cable length: about 120cm11. Weight: about 29g