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It is quite a pity to cast away a 300-dolar Headphone just owing to tiny broken parts.
This headphone consists of detachable components so that the broken parts can be easily substituted and renewed. In addition, there are signal lights at the joint so that the broken part can be clearly shown and we can replace it! Now the headphone can be re-used.
East China University of Science and Technology
Haoyu Chen, Yuyang Jin Bofei Zhou, Jiadong Liu