Shenzhen Coolub Technology Co,. Ltd. is an ISO9001 certified manufacturer and professional exporter focusing on design ,manufacture and sales of Bluetooth products since 2013.

We mainly produce TWS 5.0 earphone. We are a manufacturing company with 500 employees and over 5000 square meters of property，and 10 production lines. ALL of our products based on ODM and OEM with 6 years experience.Comply with international quality standards, say CE,RoHS,……