2019 Factory OEM TWS I7s Cool Ultimate Black and White Wireless Earphones Headsets

 

  
Why Jumboaudio?
1)Top 3 speaker box leading manufacturer in China since 2007,with long-term cooperation of word's leading importers e.g. Walmart, , Coppel,  ect.
2)3 manufacturing bases Covering 40, 000 square meters and 500+ workers, with annual production capacity of 1, 200, 000 PCS. 
3)Strong design ability with more than 20 people in R&D team, being familar with ODM developing. 
4)More than 30, 000 retail shops & chain stores,over 10 million users. 
5) ISO 9001, Wal-mart ,FAMA ,BSCI , approved .
6)Testing passed NOM, UL, ETL, CB, CE, FCC,  IRAM, SAA safty angency

JUMBOAUDIO is the global leading manufacturer in speaker box industry with more 
than 10 year`s history and experience since 2007. There are 3 manufacturing bases 
covering 40,000 square meters, with annual production capacity of 1,200,000 pcs. 
JUMBOAUDIO boasts more than 30,000 retail shops and chain stores and over 10 million users. 
It also has a strong R&D team of 12 professional technicians, annually developing 16 new models 
comprising 7 working precedes and 10 key quality control points. 
and 2 independent patents. JUMBOAUDIO has 14 Automatic Speaker Assemble Lines, comprising
7 working precedes and 10 key quality control points.