the USB dongle is the base bluetooth , class two ,
it can conact PC with phone

bluetooth dongle and module.
our company' s bluetooth products is the best productes in shenzhen in china.
if you need some more infomaion please concton us by email or take....

lithium ion polymer batteries are the new generation lithium battery. They have a high voltage of liquid lithium ion battery, a high recharge life, and a steady discharge rate and....

the type of bluetooth glasses is so beautiful, fashion, and welcome all costmors coming our office or concaot us