·Direct vent.

·Can be worn over most prescription spectacles.

Guangzhou Gearing Technology Co., Ltd specializes in developing, manufacturing and selling intelligent handheld and wearing devices for human health with international standard. Our products include handheld Alcohol Breathalyzer for professional and personal use, Food Deterioration Detector  and Water-safe Wristband. At the same time, we undertake hardware, electronic and software design as well as relative OEM & ODM service.

We have our own factory located in Guangzhou City, south of China. Our products are granted with CE and other certificate, and we provide enthusiastic and prompt services to our customers. This ensures users the high quality in designing development production and after-sales service. The technical experts definitely provide advanced technological supports to assure the products to meet the international standard. Therefore, we has strong ability to design and produce many kinds of products in the safe & health electronic industry.