LUDOS Ultra Wired Earbuds in-Ear Headphones, 5 Years Warranty, Earphones with Microphone, Noise Isolating Ear Buds, Memory Foam for iPhone,...

LUDOS Ultra Wired Earbuds in-Ear Headphones, 5 Years Warranty, Earphones with Microphone, Noise Isolating Ear Buds, Memory Foam for iPhone, Samsung, School Students, Kids, Women, Small Ears - Blue Brand: LUDOS Part Number: ULTRA Type: In-Ear Color: Blue Frequency Response: 20000 hertz THD: In Ear Input Impedance: 16 ohms Signal to Noise Ratio(SNR): 92 decibels