Dear Sir or Madam: We specialized in resarching and manufacturing accessories for two-way radios, Battery packs, earphones andchargers are our main products. In order to promote customer’s business, we renew earphones keep line with internation al market. And our batteries are very stable while charging and discharging. They are good –looking not only outer part but also inner part. We have got better prestige about it from Europe, Africa, South Asia, and North America!We are ready to be your good manufacturer at any time. Your quick response will be very appreciated!