Manufacturer specializing in TWS products for 15+ years

Factory covering 4,500 square meters | ODM and OEM services | 15 R&D engineers

Avg Response time:  ≤24 h
Response Rate: High

Trusted TWS Innovation Partner for Global Brands
Backed by 20 years of Bluetooth audio technology expertise, KISB is a National High-Tech Enterprise and Qualcomm Key Account, serving premium markets in over 32 countries across Europe, the U.S., Japan, and South Korea.

World-Class Quality Assurance
We hold dual ISO certifications (ISO 9001 for Quality Management and ISO 14001 for Environmental Management) and implement end-to-end quality control, from RoHS-compliant raw materials to final EMC testing. Our products meet over 12 international standards, including FCC, CE, and REACH.

Flexible OEM/ODM/OBM Solutions
We accelerate your product launch with full-cycle support: custom design & development (acoustic + industrial design), in-depth chip-level algorithm optimization, and dedicated assistance for fast-track certification and mass production.

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