KZ ZSN Pro X Ring Iron Hybrid Drive Metal In-ear Wired Earphone,, ZSN Pro X Standard Version(Black), ZSN Pro X Standard Version(Gold), ZSN Pro X Mic Version(Black), ZSN Pro X Mic Version(Gold)

1. Material: metal + plastic2. By adjusting the magnetic gap of the moving coil, the eddy current loss is reduced and the stroke is increased, presenting rich low-frequency power and providing a wide frequency response3. 4 strands of 100 cores are tightly wound, and the silver-plated layer effectively enhances the detail resolution and reduces the loss and distortion in signal transmission4. Ergonomic design, comfortable to wear5. Humanized pluggable design, expandable and upgradeable Bluetooth headset6. Frequency response range: 7-40000Hz7. Cable length: 125+/-5cm8. Impedance: 25 ohms9. Sensitivity: 112db10. Plug type: 3.5mm11. Pin type: 0.75mmSpecification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 11cm * 8cm * 4cm / 4.33inch * 3.15inch * 1.57inch Qty per Carton 120 Carton Weight 12.30kgs / 27.12lb Carton Size 33cm * 32cm * 40cm / 12.99inch * 12.6inch * 15.75inch Loading Container 20GP: 631 cartons * 120 pcs = 75720 pcs40HQ: 1465 cartons * 120 pcs = 175800 pcs