Earplug

Technical Specifications: Transducer type dynamic (9mm neodymium magnet) Operating principle Semi-open Nominal frequency response 20 - 22,000 Hz Nominal Impedance12 Ω Sensitivity 100dB+/-3dB at 1mW 1K Hz Maximum Input Power15 mW Rated Power 2 mW Sound coupling to the ear in-ear Cable 1.2 m/ left-sided straight cable,9999.9% copper wire+fibre,TPE coat Connection stereo mini jack plug 3.5 mm Weight 10 g Performance and feature : PL20 wasmade by Aluminum cavity.PL20 is suitable for MP3/MP4, CD, music mobile phone,stage monitoretc. Very balance sound quality with deep bass, smooth mids and well defined highs and the experience is pure high fidelity. Being an in-ear-design, the PL20 offering unparalleled comfort for long-term listening.All material under "ROHS". Accessories: Carry bag, three pairs of silicon ear pads inS/M/L sizes, spongeear pads, cable clipetc. Optional color:black / white .