SONY attaches great importance to their own physical properties of commodity earplugs on the advantages of moving iron unit guide holes SONY with a new plan, sound directly derived from the sound guide hole above the diaphragm, cut resonance. The first structure can between the diaphragm and the occurrence of wider intervals, supply high-quality playback. SONY new XBA-300AP moving iron ear plug, just based on the latest development of the latest SONY moving iron unit ear products.
skype
测试标题