Specification: Brand: Casjie Model: CA-202 Wearable Type: In-ear earphone Compatible with: For Android Connectivity: 3.5mm earphone jack Wired: Yes Speaker: 10Φmm Response Frequency: 20-20000Hz Inpedance: 16Ω Sensitivity: 94dB Distortion: 0.01 Cable Lenth: 1.2m Material: PVC Weight: 58g Color: White Black Pink Orange Blue Feature: Original High Quality Speaker, give you a HiFI experience Durable PVC earphone material,good elasticity Built-in Micro Microphone with sound adjustable Wired Button control,change the music and adjust the volume Aluminum alloy 3.5mm connective jack Package include: 1X Casjie CA-202 In-ear earphone