ZST IEM Dynamic Hybrid Dual Driver In Ear Earphones with Detachable Cable (Colorful)

Please burn in the headphone before the first use. You only need to set a medium volume, play any song(Hotel California is a good choice) for about 5 minutes, and you will get a perfect sound performance from the product. 

• Super high frequency moving iron driver unit and powerful dynamic unit
• Professional physical fractional frequency tuning technology
• "Lower internal resistance cable, detachable design, can be replaced to an upgraded cable "
• Come with patent ear plugs . Ergonomic design, comfortable to wear
• Built-in double capacitor microphone for a clear talking

Specification:
Earphone type: In-ear
Impedance: 18Ω
Earphone sensitivity: 108dB/mW
Frequency range: 20-20000Hz
Interface: 3.5mm Gilded
Plug Type: L curved
Cable Length: 1.2m
Cable: Detachable
Driver unit: Balanced Armature+Dynamic hybrid driver unit