Contact Us
Contact Us
Your Voice,We Care! 
Better Sound For Better Life 
Voice amplifier,Bluetooth Speaker & Portable Speaker since 2007

E-mail:  info@winwin-tech.com
Whatsapp/Wechat: +86 134 2138 9597
Telephone´╝Ü+86-755 27369592
Company Address: 36 South 18th Ave   Brighton CO 80601
China Office: 327-329 Wisdom Innovation Center,Shenzhen,China

Our office time is 9 a.m. - 6 p.m.(GMT+8) from Monday to Friday ( excluded holidays and weekends ). 
We respond to most emails within a business day, but if you don't get a response from us, please check your spam bin.