Oanno is a trademark of Shenzhen ShiJia Technology Co., Ltd, which manufactures earphones and headphones alongside other electronic equipment like smart glasses, sonars, smartwatches, and portable media players. As with many of its competitors on...
Oanno is a trademark of Shenzhen ShiJia Technology Co., Ltd, which manufactures earphones and headphones alongside other electronic equipment like smart glasses, sonars, smartwatches, and portable media players. As with many of its competitors on...