Adjustable Ear-Fiting Earphone

1) Type: normal earplug, adjustable to fit the ear
2) Character: very popular, tightly fitted to the ear, able to hear while moving
3) Shell Material: light metal and plastic
4) Driver unit: Φ16mm.6u
5) Impedance: 32Ω
6) Sensitivity: 107dB/mW
7) Rated power: 3mW
8) Frequency response: 20-20kHz
9) Jack: stereo Φ3.5mm or 2.5mm
10) Normal Packaging: PP bag/PE bag
11) Excellent Packaging: Gift box