Shenzhen Sinhosung Science&Technology Co.,Ltd. was firstly established in year of 2012.we are engaged ouselves in wireless and Bluetooth consumer accessory products,aiming to provide customers a more convenient linking experience without cable hassles.Product line ranges from over-head Stereo Bluetooth headset,Bluetooth headphone,Bluetooth speaker,Bleutooth smart watches.etc. We have our own software and hardware designers,so every 2-3 months we are having a new model coming out to market.A self-owned mould workshop even makes this process faster and cheaper in costs,so ,welcome OEM and ODM customers.For big qty demand,we can even make private tooling for you.