Welcome to TWS Earbuds Professional Manufacture! ISO9001 Certified!

VOZ is a large manufactgurer professionally producing TWS earbuds, Neckband wireless earphone, Wireless Headset and Dynamic speakers.

VOZ is ISO9001 and ISO14000 approved manufacturer. VOZ has professional dust-free workshop and professional automated earphone testing equipment to ensure product quality.
VOZ has QC equipment of LTE 4G signal tester, Isolation room, Hi-Low Temperature testing, RoHS Scanner, ESD Tester, Battery testing equipment, Bluetooth RF & Audio analyzer. Waterproof & Air leakage monitor....etc. VOZ has more than 12 private tooling TWS which have been applied for patent protection, and have US FCC, EU (CE, ROHS), battery test (MSDS), IPX5 dustproof and waterproof certificate etc. CE ROHS FCC KC certificate. All of our products comply with international quality standards.
VOZ have the most advanced automatic production lines, can produce TWS wireless earbuds 50 000pcs/day. Very strict production quality control, each earbud will be individually inspected 3 times on production lines by on-line QC. Much more strict than ISO9001.
VOZ have a much strong knowledgeable and highly experienced engineering team, can be able to do both ODM / OEM. We will sign NDA file to customer if there is any customer design or technique, VOZ try their best to keep all the private information from customers.