Found in 1999,DOSS is a professional manufacture that provides OEM, ODM service for audio products, including the bluetooth speakers, blluetooth earbuds, WIFI speakers and smart home speakers. DOSS has been devoting to agressive design, manufacture and sell high-end and stylish audio products to customers from all over the world. Targeting a brand of high end products with strong Research and Development team, internal advanced quality control equipments and system, high manufacture capatability, aggress product design conception, we have become one of the global leading manufacture. Fom the raw material procurement production, testing, sales, after-sales service, each procurement is monitered with very strict quality control system. DOSS will offer as below 1. Strong R&D team with 36 engineers for PCB layout, mechanics, software, graphics design. 5 master accoustic engineers for driver design and sound performance. 2. Advanced R&D equipments as the GRAS, MUTE ROOM etc for new products development.3.Certification: ISO9001, ISO14001, OHSAS18001, CE, FCC, ROhs and so on.4. 15000 m2 production base together with nearly 500 workers to pump up 600000pcs products per month. 5. Response with 12 Hrs for all inquires. 6. 3-10 days for sample delivery, and 25 days for official orders.