IEP311PNK Features: -Color: Pink. -Different sizes of soft rubber eartips are provided allowing you to find the best fit. -Wire reel for convenient cable management and portability. -In-line volume control with clip. -15º Ergonomic angle and double layered earbuds design. -Ultra-compact, lightweight ,colorful package and fashionable design. -High-performance speakers for extended frequency range, lower distortion and high power handling. -Adjustable slider for more comfort. -Provide excellent sound quality. -Featuring 0.39" drivers, these earphones deliver crisp, clear audio. -Maximizes noise isolation and bass response. Specifications: -Frequency: 20Hz-20kHz. -Cable length: 4.3''. -Impedance: 16 ohms.