Gold Index: 2138
Shenzhen Innovator Electron Co.,Ltd [China (Mainland)]
Business Type:Manufacturer City: Guangzhou Province/State: Guangdong Country/Region: China (Mainland)
swimmer talk coaching system for learn to swim
For swim teachers/coaches who expect to talk to swimmers live in real time ,multiple channesl+team work teaching,bone conduction tech.
2013-05-31