Nv-gu High Resolution Heavy Bass In-ear Headphones Earbuds with Mic, Wired Stereo Earphones, Compatible with Smartphones,Ergonomic Comfort-Fit

Nv-gu In-ear headphones Uses magnetic neodymium iron boron magnets strongest drive unit, equipped with high - performance dynamic driver systems, 6.8mm 10mm*(Two Driver units) custom permanent magnet high-performance moving coil unit Exclusive tuning technology triband clear, natural, unique sensing technology to suppress high frequency glitches. Tone your earplugs subvert traditional visual impression, the ultimate balance between classic Almighty.
These earphones bring high quality music straight to your ears and guarantee a superior audio capability for an immersive listening experience. You're guaranteed to have hours of superior audio enjoyment anytime and anywhere.
These earbuds boast superior comfort and durability. The specially formed ear hooks improve their grip. They can be curved along the contour of the ear to find the most suitable position for any wearer. The attractive and extremely lightweight design provides a snug and comfortable fit. Ultra-soft ear buds (includes 4 pairs, XS, S, M, L) ensure maximum comfort and long-term use. The headphones are made of premium silicone, which adds durability and protection.
Specifications:
Driver units: 6.8mm+10mm
Rated impedance: 20 ohm ± 15%
Sensitivity: 108 ± 3 dB
Frequency response: 20Hz -20000Hz
Distortion: ≤ 5%
Maximum input power: 10mW
Gold plated plug: 3.5mm