A4 In-Ear Headphone 3.5mm Plug Ergonomic Wired Earphones with Mic Earbuds for Smart Phones
Feature:
1. Adopting the unique technology of double moving coils in the same direction, four loudspeakers make sound at the same time, so that the sound quality can be improved to a higher level.
2. The unique air pressure balance design can eliminate the air pressure loss caused by the four diaphragm resonance.
3. 60 ° oblique angle into the ear, no pain and no drop.
4. The metal back cover is designed to keep the sound quality.
5. The wire is made of Kevlar fiber. This material is used for bulletproof vest, which can help the earphone to pull better and prolong its service life.
6. According to the ergonomic design, combined with the human earring design, there are two ways to wear, in ear and around ear.

Specification:
Wire: TPE
Plug: 3.5mm straight plug
Frequency response: 20-20000 (Hz)
Impedance: 32 (Ω)
Sensitivity: 110 (dB)
Distortion rate: 0.02 (%)
Line length: 1.2 (m)
Speaker diameter: 9 mm
Packing size: 150*100mm
Color: Black, White, Red, Blue

Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.