Like the smart remote control of mobile phone, the design of physical keys is more suitable for blind operation.
本作品版权归 Dou Happ 所有，禁止匿名转载及个人使用，任何商业用途均需联系原作者。
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nice work!
I usually use my mobile phone to control all household appliances.
What a formidable look
Isn't it an old cell phone
Very beautiful!