Details :
Before the lens was separated from cuff, it is hard for player to fix on coat. Now we solved the problem,put the lens inside of cuff. Other people can not find by their eyes, it looks like normal cuff. When the player press the button inside of cuff lens by their hand's weight,the cuff lens will open(see below picture).If the player doesn't press the lens, the cuffwill performance like normal and can not seen by other players.A second handmake
The distance is 25-35cm
It contains one cuff hidden lens and one charging board

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