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This key ring could help you find your
key when you forget where the key is.
Just make a phone call to the ring.Then
the LED on the ring will twinkle and
the speaker in the ring will make a
The LED is also a button. Press the
button down, then you could make it
easy to hang in any place.key when you forget where the key is.
Junfeng Wang Zhengmin Ma Towel Law Nan Yang