Langsdom metal cheaper headphone in-ear wired earphones
Specification:

• Impedance: 32Ω ±15% 
• Sensitivity: 95dB±3dBat1KHZ
• Max. Input Power: 15mW
• Frequency Response: 20Hz- 20KHZ
• Driver Size:  9mm
• Microphone: Yes  5*2.7mm
• Music Control: Yes
• Volume control: Yes
• Answer and End Calls: Yes
• Cable: 1.2M TPE Round cable
• Plug: 3.5mm silver plated

Features:

• Fashion Metal Earphone with volume control
• Use the play & pause button that works with Apple and Android Music App, Answer phone calls, electronic - key button for volume control
• Compatible with all devices that has the standard 3.5mm headphone jack.
• Silver- plated 3.5 mm audio jack for premium, no- loss sound connection to your audio device.