Alpine MusicSafe Pro - Clear, Hearing Protection, Clear Edition, 2-Fold slat system, Medical-thermoplastic material for perfect fit and highest wearing comfort, Almost invisible in the ear, No pressure on or in the ears, Adjustable length and diameter, Easy to clean, Colour: Transparent@+*With 3 Interchangeable, Music-Optimized Filters:*@+@+, Gold-coloured filter: 16.0 dB (at 500 Hz), Silver filter: 15.7 dB (at 500 Hz), White filter: 14.3 dB (at 500 Hz)