Shure SE-215 RD in-ear headphones. Ergonomic small-diaphragm headphones with excellent sound isolation, offering high-fidelity playback for any type of audio source. They feature:

• Single Dynamic MicroDriver
• Cable Kevlar-reinforced Detachable
• Detailed sound with enhanced bass
• Cut off up to 90% of external sound
• Ideal for stage performances with in-ear monitoring system
• Suitable for MP3 players

Frequency: 22 Hz – 17 kHz, Sound isolation: 37 dB, Sensitivity: 107 dB SPL/mW, Impedance: 17 Ω.