FlashFlash Wristband By yitong leo in CircuitsUSB12,4542522Save PDFFavoriteIntroduction: FlashFlash Wristband By yitong leoFollow About: Coming from China, I'm engaged in industrial design and product manufacture. I'd like to share my innovative ideas with you! And if you want to find a Chinese partner, I'm the one who can provide you perfect… More About yitong leo »FlashFlash Wristband Step 1: FlashFlash Wristband FlashFlash Wristband