Product Information
Key Specifications/ Special Features
Introducing the Kaiwei K03 True Wireless Open-Ear Headphones, designed for users who prioritize comfort, clear audio, and modern features without the discomfort of traditional in-ear designs. Unlike common earphones, the K03 sits securely outside the ear canal, providing a non-intrusive listening experience—perfect for sports, work, or daily commutes.
With Bluetooth 5.5 connectivity, a 72-hour battery life, and smart noise reduction, this product offers unbeatable performance at a competitive price point. Ideal for export, private label brands, and bulk wholesale.
| Item | Detail |
|---|---|
| Model | Kaiwei K03 |
| Bluetooth Version | 5.5 |
| Battery Capacity | 400mAh |
| Playback Time | Up to 72 hours |
| Charging Type | Magnetic USB |
| Connectivity Range | 15 meters |
| Weight | 38g |
| Display | LCD Battery Display |
| Speaker Unit | 10mm Dynamic Driver |
| Mic Function | Built-in Noise Reduction Mic |
| Available Colors | Black, Silver, Pink |
| Packaging | OEM/ODM Custom Packaging Available |
Dongguan Kaiwei Electronics provides full OEM/ODM solutions for global partners:
Dongguan Kaiwei Electronics Co., Ltd is a professional manufacturer of wireless audio products with over 10 years of industry experience. We serve global markets with a strong focus on quality, affordability, and innovation. With CE, RoHS, and ISO certifications, we ensure product reliability and compliance with international standards.


Introducing the Kaiwei K03 True Wireless Open-Ear Headphones, designed for users who prioritize comfort, clear audio, and modern features without the discomfort of traditional in-ear designs. Unlike common earphones, the K03 sits securely outside the ear canal, providing a non-intrusive listening experience—perfect for sports, work, or daily commutes.
With Bluetooth 5.5 connectivity, a 72-hour battery life, and smart noise reduction, this product offers unbeatable performance at a competitive price point. Ideal for export, private label brands, and bulk wholesale.
| Item | Detail |
|---|---|
| Model | Kaiwei K03 |
| Bluetooth Version | 5.5 |
| Battery Capacity | 400mAh |
| Playback Time | Up to 72 hours |
| Charging Type | Magnetic USB |
| Connectivity Range | 15 meters |
| Weight | 38g |
| Display | LCD Battery Display |
| Speaker Unit | 10mm Dynamic Driver |
| Mic Function | Built-in Noise Reduction Mic |
| Available Colors | Black, Silver, Pink |
| Packaging | OEM/ODM Custom Packaging Available |
Dongguan Kaiwei Electronics provides full OEM/ODM solutions for global partners:
Dongguan Kaiwei Electronics Co., Ltd is a professional manufacturer of wireless audio products with over 10 years of industry experience. We serve global markets with a strong focus on quality, affordability, and innovation. With CE, RoHS, and ISO certifications, we ensure product reliability and compliance with international standards.



,Manufacturer 
,Retailer ,Wholesaler