F20 3.5mm Jack Metal Earphones Wire-Controlled Earbuds Mobile Phone Earphones With Mic(Black Bagged)

Details:
1. Weight: about 18.59 grams
2. Material: PVC, metal
3. Size: The cord is about 1.2 meters long
4. Frequency response range: 20-20000Hz
5. Sensitivity: 108db
6. Drive unit: 14.2 mm

Features:
1. Quad-core surround sound + dual-core bass enhancement, 360-degree panoramic sound
2. Lossless high sound quality, extended high frequency range, stable low frequency effect
3. 3.5mm standard elbow metal pins, compatible with mobile phones, tablets, computers and other devices
4. Original technology, anti-oxidation and not easy to rust
5. 108 bass holes, mellow and heavy bass
6. Comfortable into the ear, not easy to fall off