These earphones are brand new and not used

Jack 3.5 mm jack
Noise reduction
Passive noise-isolating No
Active noise-cancelling No
Box contents Volkano Alloy VK-1007-SL Earphones

Type In-ear
Colour Silver & black
Speaker diameter 10 mm
Impedance 32 Ohms
Frequency response 20 - 20,000 Hz
Sensitivity 95 dB
Cable length 1.2 m Controls
Microphone Yes
Playback / functions control Yes
Control positioning In-line
Volume control Yes
Control compatibility All smartphones

if you require anymore information please don't hesitate to ask