Tuning filters
Silver = Enhanced bass. Whilst keeping plenty of detail in the music.
Black = Treble. Offering a reduced bass sound signature with more detail on the upper mids and treble.
Gold = Natural. Balanced neutral sounding signature across all the frequencies.

Specs
Drivers: 8mm dynamic
3x Interchangeable tuning filters
Compatible with iOS / Android / Windows Smartphones
Impedance: 16Ω
Sensitivity: 108+/-3db
Frequency response: 20 - 20000Hz
Cord Length: 1.2M
Jack type: Gold plated 3.5mm (right angle jack)
MIC with universal pause/play button
Eartips included: (S/M/L) silicone | (M/L) memory foam | (S) double flange.