Dear Supplier,I am kenneth from MobileMatrix, Singapore. I'm looking for earpieces as following types : 1) bluetooth earpiece with bluetooth V3.0, EDR, etc high quality - for voice and also for music stereo- particularly I am interested in earpieces with dual microphone- can connect with at least 2 or 3 mobile devices simultaneously2) high quality, and professional very high quality wired earpieces for stereo music 3) mini speakers : bluetooth speakers and non-bluetooth speakers with high quality sound and outputHope you can send me your relevant products as per above, including technical specifications, performance and pricing. So i can consider purchasing some for testing.Tks & Rgdskenneth MobileMatrix Pte LtdMobile 65 9682 7430