Earphone sound control device (BT-41)

CN309667112SActive Publication Date: 2025-12-12陈向光
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Patent Information

Application Number
CN202530244173.7
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2025-12-12
Estimated Expiration
2040-04-30

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Abstract

1. The name of the design product: earphone sound control device (BT-41). 2. The use of the design product: a device for controlling the volume of Bluetooth earphones and other functions. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.
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