X4A Specification:
Type: 45 degree metal earphone
Earlap: Aluminum Alloy
Connector: 3.5mm
Frequency responses: 20Hz-20kHz
Impedance: 16 Ω
Sensitivity: 98 ±3dB
Speaker: Φ10mm
Length: 1.2M
Cable Material: TPE
Color: Gray, Green
Feature: Call button & Volume control button
X4A Selling points:
1. 45 degree, not easy to fall off
2. Metal earlap
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