Shangfeng Shi

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Shenzhen, Guangdong, CN

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Patents Applicationslast 30 patents

Information Patent Application
Low-Power-Consumption Active Noise-Reduction In-Ear Music Earphone...
- Publication number 20180025719
- Publication date Jan 25, 2018
- Shenzhen Aerospace Golden Shine Technology Co., Ltd
- Qingshan Bao
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Low-Power-Consumption Active Noise-Reduction In-Ear Music Headphone...
- Publication number 20160365083
- Publication date Dec 15, 2016
- SHENZHEN AEROSPACE GOLDEN SHINE TECHNOLOGY CO.,LTD.
- Qingshan Bao
- G10 - MUSICAL INSTRUMENTS ACOUSTICS