sidy DM4 is the Flagship Item, this is value for $500 sound level.Contracted however not easy,9 mm Beryllium alloy composite diaphragm cell, exceptional design,400 D Alkex TPE and 32 core OFC cable,Low-key however not lose personality, actual And sense of hearing feeling freely.
Frequency Response:5-32000Hz;Connectors:3.5mm;Input Impedance:16Î©
Cord Length:1.15m;Sensitivity:110dB/mW;with microphone
Driver Type: Dynamic Speaker;Driver Unit:9mm
HIFI super bass high fidelity Noise isolating Headphones with Mic
With the stylish design and high-end sound quality,this earphones are designed for the latest generations of iPod, iPhone, and iPad. They work with all Androids, tablets, mp3 players, and related devices.