Designed for brand owners, distributors, and B2B buyers. Every device listed below undergoes strict pressure testing, aging tests, and quality inspections at ZUMU Technology Co., Ltd. facility before shipment.
Declaration of Conformity
Certified Quality
Declaration of Conformity
OEM Ready
High Tech
AI Integration
1080P HD
5ATM Waterproof
At ZUMU Technology Co., Ltd., we combine strictly monitored assembly lines with rigorous multi-stage quality control. All items are produced in accordance with international standards for wearable electronics.
| Facility Location | Room 1102, Floor 11, Xiner Sports Center Complex Building, Xiner Community Center Road, Xinqiao Street, Shenzhen, Guangdong, China |
|---|---|
| Waterproof Testing | Pressure-tank & immersion test up to 5ATM for rings; IP67/IP68 for bracelets & smart watches |
| Aging & Reliability Tests | 48-hour continuous battery aging, salt-spray resistance test, and drop test for carton packaging |
| OEM & Private Label Services | Custom logo laser engraving, watch face UI customization, dedicated APP branding, packaging box art |
| Export Compliance | Declaration of Conformity, CE, RoHS, MSDS, UN38.3 battery shipping test reports available |
| Sales Correspondence Email | [email protected] |
Essential details regarding sample orders, private labeling, lead times, and customs clearance documentation.
Sampling starts from 1 piece on stock items (including ready-stock screenless smart bracelets and smart rings). For trial orders of camera earbuds and AI glasses, standard MOQ is 50 pieces. Full custom private-label runs start from 3,000 pieces per SKU.
Each batch passes 100% incoming component inspection, automated optical inspection (AOI) during SMT assembly, 48-hour battery burn-in aging, water pressure tank verification, and pre-shipment drop tests.
Yes. We offer complete OEM and ODM customization services including silk screen printing, laser logo engraving, customized splash screens, specialized UI watch faces, personalized retail packaging, and dedicated Android/iOS APP rebranding.
We provide a formal Declaration of Conformity, commercial invoice, packing list, HS-code documentation, and safety test reports (CE, RoHS, MSDS, and UN38.3 for lithium battery air/sea freight).
Need standard spec sheets, wholesale price lists, or firmware SDK documentation?
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