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The design for a tail usb data cable spring structure, adding a spring structure in existing products, allowing users to use the usb cable to charge or use the phone accidentally during the fall, spring elasticity can ensure the safety of your phone to some extent. Prevent the landing leads to the screen is cracked, worn appearance
Zhejiang University Ningbo College of science and Engineering
ningbo, China
Zhejiang University Ningbo College of science and Engineering
ningbo, China