New double moving coil HIFI sound metal earphone, double horn, heavy bass, mobile phone earplug, factory direct sales

$3.40

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التفاصيل

Metal HIFI earphone, portable and comfortable to wear.
3D surround sound effect and high-quality super bass design.
Smart wire control, built-in microphone, song switch for music play.
Noise-isolating in-ear design reduces ambient noise.
Compatible with Smartphones, Computers, MP3, MP4 and other device with 3.5mm AUX Interface.

Type: Piston In-Ear Headphones

Technical Specification

1. Material: Metal CNC Zinc alloy

2. Weight: 15g

3. Speaker: 9.2 mm NdFeB speaker

4. Speaker Power: Rated input power: 3mW, Maximum input power: 5mW

5. Impedance: 32Ω±15%

6. Speaker Sensitivity: 99±3dB (at 1KHz 1mW)

7. Speaker Frequency Response: 20-22K Hz

8. Microphone Sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/pa

9. Operation Temperature: -10 Celsius --- +40 Celsius

Function: Play / Pause, Answer / Off, Noise Cancelling, Microphone