Specification: 1. Product Name: Fonge X2 PRO In Ear Earphone 2. Brand: Fonge 3. Model: X2 PRO 4. Earphone type: In-ear 5. Impedance: 16Ω 6. Earphone sensitivity: 98dB 7. Frequency range: 20-20000Hz 8.Plug interface : 3.5mm 9.Plug Type: Line type 10.Cable Length: 1.2m±3cm 11. Housing...