Sennheiser MX660 Earphone in Box

Ideal for portable players such as MP3 or CD
Powerful stereo sound
Balanced "Basswind" system
Metal "Sound Protection System" protects the acoustic systems
Rugged design
Cable with anti-kink sleeve
Ultra-lightweight volume control
Symmetrical cable (1 m)

Model: MX660
Type: Earphone
Speaker diameter: 15.4Φmm
Cord length: 1.1m
Sensitive: 112dB/mW
Frequency: 19-20000Hz
Impedance: 32Ω
Plug: 3.5Φmm
Brand: Sennheiser