Earphone amplifier
CN309541250SActive Publication Date: 2025-10-14DONGGUAN MINDONG ELECTRONIC TECH CO LTD
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Patent Information
- Application Number
- CN202530028462.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2040-01-16
Abstract
1. The name of the design product: earphone amplifier. 2. The use of the design product: for amplifying volume. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.
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