2016: Shenzhen Yiyin Technology Co., ltd was established; 1st model of E1 was created;
2017: Winto Technology Limited HK branch was established;
2018: Separate different solutions ( Benken, Qualcomm, etc)
2019: Best seller of B300 in 2019 was produced;
2020: 2nd factory – Dongguan Yiyin technology Co., ltd was established; Total around 100 workers in Shenzhen and 200 workers in Dongguan;
2021: One million bone conduction headphones were sold out during the year;
2022: IPX7 waterproof bone conduction headphones are developed;
To be continued..