Detailed information on the product name: happy birthday flash badges
Product number: JM - SHH - 11
Product material: PCB + drops of glue
Light color: red, blue, jade, green, pink, white, multi-color
Product battery: the battery 1 CR927 piece and 1 CX927 each needle power and replacement together.
Product use: connect to the clothes or other surface using strong magnets, safty pin or butterfly.
Product description: can use a pin on the back, small magnets. HuDieKou and alligator clip four ways, don't be in knitting, leather cloth, soft medium, can be fixed in the metal to make magnetic clasp for applied to advertising, gift giving.