KZ ZST X 1BA+1DD Hybrid Unit In-ear Earphones HIFI Bass Sports DJ Earbud Headset With Silver-plated Cable Earphones Specification: 1.Product name: KZ ZSTX 2.Brand: KZ 3.Model: ZSTX 4.Sensitivity: 107dB 5.Impedance: 12Ω 6.Frequency: 20-40kHz 7.Plug type: 3.5mm 8.Connnector: 2Pin 0.75mm 9.Cable length: 125±5cm 10.Weight: 22±3g 11.Wear: Earhook 12.Control button: Standard/with microphone 13.Color: Cyan/Purple 13.Driver: 1BA+1DD