Phiaton PS 20 Half In-Ear Premium Earphone (Glossy Black)

"MaxBass Reflex" Dual chamber structure delivers wide frequency response, commanding bass, and crisp high definition sound.Optimized airflow provides acoustic efficiency creating a more natural sound Ergonomically designed for superb comfort and fit."Half In-Ear" hybrid earbud design combines the best features of both "In Ear" and "Open" earphones.Luxurious Glossy Finish Provides a Touch of Style and Class Specifications* High quality dynamic Speakers * Frequency range: 15Hz ~ 22,000Hz * Impedance: 31ohms* THD: Less than 1% at 1kHz* Sensitivity: 101dB / mW* Maximum input power: 30mW* Weight: 6.2g / 0.22oz* Accessories Includes: 4 sizes of silicon ear tips (XS,S,M,L), Carrying case, Registration card* 1 year of Warranty