Ningbo AST Industry Co., Ltd is one the leading and professional manufacture for the Electronic products, Promotional gift and so on. There are Voice Recorder, Sound module for greeting cards, Sound...
module that attaches to the side of your helmet.
Features:
Maximum talking range 500 meters between two riders, real two-way wireless communication. MAX support Three riders by Bluetooth system
Up to...
mainly handle the Micro-control module, phonic IC andconsuming electronic product, Simultaneously, they cooperate with both overseas and inland COB manufactory to creat better and more novel and more...